The leader failed to explain the cause of the prob...

Câu hỏi: The leader failed to explain the cause of the problem. He did not offer any solutions.

A. Though the leader failed to explain the cause of the problem, he did not offer any solutions.

B. The leader failed to explain the cause of the problem so he did not offer any solutions.

C. The leader failed to explain the cause of the problem nor did he offer any solutions.

D. The leader failed to explain the cause of the problem because he did not offer any solutions.