A-A+
Suppose Jack' s father is a heavy smoker so w
问题详情
Suppose Jack" s father is a heavy smoker, so was Mary"s mother. According to the speaker, what will happen？
A．Jack is more likely to develop lung cancer.
B．Mary is more likely to develop lung cancer.
C．Jack and Mary have the same chance to develop lung cancer.
D．Neither Jack nor Mary has the chance to develop lung cancer.
参考答案
正确答案：D
解析：此题是判断推理题，根据文中"The study also showed that the danger of lung cancer increased only for sons and not for daughters, and that the father's smiling did not affect a child's chance of developing rang cancer."可得正确答案是D。
