In 1943, in the midst of World War II, mathematics professor Grace Hopper was recruited by the US military to help the war effort by solving complex equations. Hopper's subsequent career would involve more than just_

as a pioneering computer
programmer, Hopper would help usher in the digital age.
Which choice completes the text so that it conforms to the conventions of Standard English?
A) equations, though:
B) equations, though,
C) equations. Though,
D) equations though

C) equations. Though,