Sentence Correction

Large banks, hedge funds and private investors hungry for new and lucrative opportunities are bankrolling other people's lawsuits, pumping hundreds of millions of dollars for medical malpractice claims, divorcing battles and class actions against corporations

A. are bankrolling other people's lawsuits, pumping hundreds of millions of dollars for medical malpractice claims, divorcing battles and class actions against corporations

B. will bankroll other people's lawsuits, pump hundreds of millions of dollars into medical malpractice claims, divorce battles and class actions against corporations

C. are bankrolling other people's lawsuits, pumping hundreds of millions of dollars into medical malpractice claims, divorce battles and class actions against corporations

D. to bankroll other people's lawsuits, pumping hundreds of millions of dollars into medical malpractice claims, for divorce battles and class actions against corporations

E. are bankrolling other people's lawsuits, for pumping hundreds of millions of dollars into medical malpractice claims, for divorce battles and class actions against corporations

Source: Aristotle SC Grail
OA: C

This question tests parallelism. Could anyone put light on the parallel list.

Large banks, hedge funds and private investors hungry for new and lucrative opportunities are bankrolling other people's lawsuits, pumping hundreds of millions of dollars for medical malpractice claims, divorcing battles and class actions against corporations

A. are bankrolling other people's lawsuits, pumping hundreds of millions of dollars for medical malpractice claims, divorcing battles and class actions against corporations
--> NOUN, ADJECTIVE & NOUN; INCORRECT

B. will bankroll other people's lawsuits, pump hundreds of millions of dollars into medical malpractice claims, divorce battles and class actions against corporations
--> Cause & Effect Structure issue; we need verb+ing; INCORRECT

C. are bankrolling other people's lawsuits, pumping hundreds of millions of dollars into medical malpractice claims, divorce battles and class actions against corporations

CORRECT

D. to bankroll other people's lawsuits, pumping hundreds of millions of dollars into medical malpractice claims, for divorce battles and class actions against corporations
INCORRECT

E. are bankrolling other people's lawsuits, for pumping hundreds of millions of dollars into medical malpractice claims, for divorce battles and class actions against corporations
--> Cause & Effect Structure issue; we need verb+ing; INCORRECT

I chose B because everything was parallel in the sentence. I just didn't like "will" use.