—  Are you _____with doing a lot of homework everyday?

— Sometimes I am. But as a student, we have to do so at present. [ ]

A. satisfied

B. encouraged

C. bored

D. pleased

在基坑、井坑、地槽边缘堆置土方时，且堆置土方的高度可以超过1．5m．但不准超过2m。