What’s a sample sentence for the word sagacity? It’s a noun.

There is no one who doubts his tact, his sagacity, and his knowledge of war. People in this country should perhaps more fully appreciate that it is not simply valour that we are praising but sagacity. Their hopes rested upon him—-upon his integrity as well as his sagacity.

Explanation:

This discovery was not accidental or unforeseen, but was due to the sagacity of those who designed the voyage.

Synonyms - Wisdom, Understanding, Intelligence, Judgement, Acuity

i don't know sorry i cannot read a novel in 30 min.

explanation:

but just in case i think the answer is b.