单项选择题

听力原文:Do we have enough batteries to last this month, or do we need to buy some more?
(A) Yes, the remote has lost its power.
(B) It's better to order more just in case.
(C) It's rechargeable.
(19)
A.
B.
C.

A.
(B)
B.
(C)
C.
(19)
A.