Have not you seen the notice"No photos___"?I am sorry ,i ___.A is allowed taking ,did not notice B is allowed to take ,was not noticing谁能说明为什么

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Have not you seen the notice

Have not you seen the notice"No photos___"?I am sorry ,i ___.A is allowed taking ,did not notice B is allowed to take ,was not noticing谁能说明为什么
Have not you seen the notice"No photos___"?I am sorry ,i ___.
A is allowed taking ,did not notice B is allowed to take ,was not noticing
谁能说明为什么

Have not you seen the notice"No photos___"?I am sorry ,i ___.A is allowed taking ,did not notice B is allowed to take ,was not noticing谁能说明为什么
B
首先,is allowed to do sth 是正确用法
其次,一般会觉得was not noticing 别扭,但这是强调在刚才那个时间没有注意到,是对过去的动作的描述,所以用过去进行时态.

感觉都不大对

1. allow to do sth 被动就是be allowed to do
2. 我刚才没注意到(言外之意,现在注意到了),刚才没注意,是一瞬间的事情。所以用ing

B
一定是be allowed to do被允许做某事。did not notice 和was not noticing 都可以。

B is allowed to do sth 是正确用法