题目内容
(请给出正确答案)
[单选题]
It can be inferred from the passage that ().
A.teenagers under 14 are not allowed to visit the White House
B.foreigners are less likely to be permitted to tour the White House
C.separate tours can also be scheduld for individual visitors
D.security is the chief concern in scheduling White House tours
提问人:网友csgogogo
发布时间:2022-01-07