Just as knowledge is important to students,（） diplomas are important to them.

A. Such a tall man is he that he has to bend down to get into his car.
B. Try as she may, she is not necessarily able to talk him out of smoking.
C. Granting that he is honest, he may be misunderstood.
D. Just as fire tries gold, so misfortune tries virtue.

A. All the audience has gone before the lecture is over.
B. Teaching and talking with her is enjoyment to me.
C. To tell you the truth is very easy.
D. More than one house was burnt down in the fire.