A．He didn't know that she was enrolled in a linear algebra course.
B．He thought she preferred to study alone.
C．He thought she had made arrangements to study with.
D．He had told her that he had done poorly on a recent test.
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A．he and Jennie argued recently.
B．he heard Jennie did poorly on the last test.
C．he doesn't want to bother Jennie so late in the evening.
D．he'd rather study in his own dormitory.
A．In every school there is a "top" crowd that sets the pace.
B．It is a mistake to follow the "top" crowd blindly.
C．At one time or another you probably did something you knew to be wrong,
D．People who follow the "top" crowd are endangering their very lives.
A．the crowd is wearing them.
B．you can't afford them.
C．you don't look good in red.
D．it is against school regulations,