单选题 All the following sentences have an appositive EXCEPT ______.

A、 There is no doubt that he is guilty.
B、 Eating too much is bad for your health.
C、 The fact that we lack enough phones needs to be considered.
D、 The idea that computers can recognize human voices surprises many people.

【正确答案】 B

【答案解析】考查同位语。B选项中不包含同位语，故选B。