Next October, the commission's delegation will visit the Prince of Westphalia, contributing the largest amounts to the

[BTGmoderatorDC]

Next October, the commission's delegation will visit the Prince of Westphalia, contributing the largest amounts to the commission over each of the last seven years.

A) contributing
B) having contributed
C) who contributed
D) who has contributed
E) who had contributed


OA D

Source: Magoosh