197. What problem did MountainBiker99 experience?
(A) The video quality was poor.
(B) The battery drained in 5 minutes.
(C) The camera shut down unexpectedly.
(D) The Wi-Fi would not connect.

答案：登入後查看
統計： A(3), B(7), C(211), D(3), E(0) #3804555