At an orientation meeting, the travelers were told that a visa, a landing card, and evidence of inoculation against typhoid fever would be needed by each of them.
A.
a visa, a landing card, and evidence of inoculation against typhoid fever would be needed by each of them
B.
they would need a visa, a landing card, and evidence of their being inoculated against typhoid fever
C.
they would need evidence of being inoculated against typhoid fever and a visa and landing card
D.
they would each need a visa, a landing card, and evidence of inoculation against typhoid fever
E.
they would need visas, landing cards, and evidence of inoculation against typhoid fever for each of them.
A为什么不对， 我在Ａ和Ｄ 中挣扎了很久， 但还是觉得为什么不遵从文章的原意用被动态呢？
