Read the following passage and mark...

Câu hỏi: Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 36 to 40.

A. Human ancestors became predominantly right-handed when they began to use tools.

B. It is difficult to interpret the significance of anthropological evidence concerning tool use.

C. Humans and their ancestors have been predominantly right-handed for over a million years.

D. Human ancestors were more skilled at using both hands than modern humans.