——Do you know when the store closes?

——（）

A．It depends on their age.B．It depends on where they live.C．It's a matter of personal choice.D．It's a matter of social custom.

A.It
B.
B．It
C.
C．It's
D.
D．It's
E.

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A．When they are walking alone in the street.B．When they are trying to locate a chair.C．When they do not have a cane or dog.D．When there is construction or a lot of noise around.

A.When
B.
B．When
C.
C．When
D.
D．When
E.

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