Question

One of the most important political and scientific figures in American history, Benjamin Franklin serving as the US ambassador to France, founded the University of Pennsylvania, and published The Pennsylvania Gazette.
Choose 1 answer:
Choose 1 answer:
(Choice A) NO CHANGE
A
NO CHANGE
(Choice B) served
B
served
(Choice C) had served
C
had served
(Choice D) was serving
D
was serving

Answer 1

(C) had served