问题
选择题
What worried the child most was _____________ to visit his mother in the hospital.
A．to his being allowed
B．his not being allowed
C．not his being allowed
D．not his allowed
答案
答案：B
动名词符合结构。动名词的否定式是在doing前面加not,所有格是在前面加one’s.句意：最让孩子们担忧的是不被允许去医院看望妈妈。