A-A+
Which sentence in the second paragraph is the
问题详情
Which sentence in the second paragraph is the topic sentence？
A. Lyne was a headmaster.
B. A lot of kids had chains around their necks.
C. I was constantly telling them to put inside their shirts.
D. They were house keys.
参考答案
正确答案：D
42．答案为D 因为全文讲述的都是一些有关“钥匙儿童”的情况，再根据文章第2段最后一句Slowly，she learned they were house keys可知孩子们脖子上戴的是串钥匙，推知此题答案为D。
