Answer:
C. Jerome took more than 200 photographs of the museum's mummy display.
Step-by-step explanation:
A. Jerome took more than 200 photographs of the museum's mummy display?
This sentence is wrong as it uses the question mark at the end even though it isn't a question.
B. Jerome took more than 200 photographs of the museums mummy display .
This sentence is also wrong in it's omission of the possessive form (') in museums.
D. Jerome took, more than 200 photographs of the museum's mummy display.
This is also wrong for the wrong placement of the comm right after took. It is unnecessary and not even valid.
The correct answer is sentence
C. Jerome took more than 200 photographs of the museum's mummy display.