题目内容
(请给出正确答案)
[主观题]
Why did the professor study the Brazilian students' behavior? A. He felt puzzled
Why did the professor study the Brazilian students' behavior?
A. He felt puzzled at the students' being late.
B. He felt angry at the students' rudeness.
C. He wanted to make the students come on time later.
D. He wanted to collect data for one of his studies.
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