I think the answer is D.) To fly
I searched what infinitive means and this is what I got.
The right answer is of option B
Answer:
The answer is B: A compound sentence.
Explanation:
A compound sentence is a sentence that has a comma, semicolon, or a colon joining two independent clauses together to form one bigger sentence. Your sentence "When all was said and done, the day had been a success." The comma is separating the first clause; When all was said and done, and the second clause; the day had been a success.