WHERE WERE THE PARACHUTISTS WHEN, ACCORDING TO THE PASSAGE, THEY P...

74. - DE THI THU DAI HOC MON ANH VA DAP AN
Tiếng Anh DE THI THU DAI HOC MON ANH VA DAP AN

74. Where were the parachutists when, according to the passage, they produced large amount of the two hormones?

B. In the air

A. On an airplane

C. On the ground

D. At sea