两个英语问题1、Alonglineofflagsandcolouredumbrellasseenmovingtowardsthegateofthepalace.A、areB、is这题为什么选B?2、About80percentofallthedataincomputersaroundtheworldinEnglish.A、isB、are答案上

Question

两个英语问题
1、A long line of flags and coloured umbrellas___seen moving towards the gate of the palace.
A、are B、is
这题为什么选B?
2、About 80 percent of all the data in computers around the world___in English.
A、is B、are
答案上是A,为什么、data不是复数么?

Answer 1

1.修饰的是A long line ,这是整体
2.修饰的是percent是百分比
80 percent of all the data 是整个句子的主语