試題詳解

185. According to the recent online comments in the Comment Section, which of the following is the most mentioned challenge facing the MUB?
(A) The MUB’s official app is not very user friendly.
(B) The staff members at the station information desk do not show their professional attitude.
(C) Passengers are experiencing long delays.
(D) The MUB is encountering a shortage of experienced bus drivers.