Critical Reasoning

Choi: All other factors being equal, children whose parents earned doctorates are more likely to earn a doctorate than children whose parents did not earn doctorates

Hart: But consider this: over 70 percentage of all doctorate holders do not have a parent that also holds a doctorate

Which of the following is the most accurate evaluation of Hart`s reply

A) It establishes that choi`s claim is an exaggeration
B) If true, it effectively demonstrates that choi`s claim cannot be accurate
C) It is consistent with choi`s claim
D) It proves alternate reasons for accepting Choi`s claim.
E) It mistakes what is necessary for an event with what is sufficient to determine that the event will occur.

OA: C

please help me in understanding on how to solve this question.

I have seen this question before, there i also a thread in beatthegmat that they were talking about it:
https://www.beatthegmat.com/doctorate-ch ... 53010.html
Bests
Arash