I think that its "A biography written by a historian" though A and B are the same answers
The answer is D, Soft-heartedness versus Soft-headedness
The answer is c.) he is impatient with others.
Answer:
The third one
Explanation:
The colon is used to separate independent clauses, usually as a way to lead the first sentence into the second one. The first one's first sentence is not an independent clause, so a colon doesn't work. The last one doesn't work either, as a semicolon is not typically used to introduce anything. The rest use commas, which aren't used to introduce anything either.