Which sentence from "Enrico Fermi: The 'Italian Navigator'" is not strictly factual?

A.
"The control rods were made of cadmium."

B.
"It was December 2, 1942."

C.
"But he stepped out briskly, breathing deeply of the cold air."

D.
"At last, at 3:25, the final order was given."

Question

Which sentence from "Enrico Fermi: The 'Italian Navigator'" is not strictly factual?	
 
 A.
"The control rods were made of cadmium."
 
 B.
"It was December 2, 1942."
 
 C.
"But he stepped out briskly, breathing deeply of the cold air."
 
 D.
"At last, at 3:25, the final order was given."

logan13 · Answer

@Awolflover1

texaschic101 · Answer

Not 100% sure but I am going with C. It is the only one that looks like it could possibly be an opinion.