What has caused the problem?

Question 1

A. A traffic accident.

Answer

A. A traffic accident.

Question 2

D. A vehicle malfunction.

Answer

D. A vehicle malfunction.

Question 3

C. Inclement weather.

Answer

C. Inclement weather.

Question 4

B. A heavy workload.

Answer

B. A heavy workload.

Câu hỏi: What has caused the problem?