MARK THE LETTER A, B, C, OR D ON YOUR ANSWER SHEET TO INDICATE THE SE...

Câu 19: Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best

combines each pair of sentences in the following question.

He was overconfident. Therefore, he ruined our plan completely.

A. It was his overcontidence ruined our plan completely.

B. It was because his overconfidence that ruined our plan completely.

C. That he was overconfidence ruined our plan completely.

D. He was overconfident, which ruined our plan completely.