例句1：Few issues is (A) as likely (B) to provoke widespread interest as those (C) involving possible danger to (D) the health or safety of children. No error (E)
例句2：The main reasons students give for failing to participate in the political process is that they have demanding assignments and work at part-time jobs.
(A) is that they have demanding assignments and work at
(B) are demanding assignments and they work at
(C) are that they have demanding assignments and that they work at
(D) is having demanding assignments and having to work at
(E) are demanding assignments, in addition to working at