单项选择题
A.她告诉我们,五年前她不过是一个普通的高中生,然而似乎是在一夜之间她便成了歌星。 B.五年前她跟我们说,她曾是那些高中生中的一员,但她在黑夜中摸爬滚打才如愿当上了歌星。 C.她坦白说她是在五年前从一名高中生变成歌星。 D.她对我们说,她只读了五年书,后来好像时来运转,她突然成了歌星。
A.is in favor of prohibiting passengers’ use of electronic devices completely B.has overestimated the danger of electronic devices completely C.hasn’t formed his own opinion on this problem D.regards it as unreasonable to exercise a total ban during flight