Doctors say wear loose ______ clothes made of natural materials, can protect yourselves from the dangers of extreme heat.

A. Because it was too noisy.
B. Because he wanted to join the party.
C. Because he was too tired.
D. Because he turned on some music.

A. He isn’t serious about the expedition.
B. It will cost him a lot of money.
C. Other people paid for his airfare.
D. It isn’t fair for him to go alone.