According to the text, which statement is true?

A. "Intern drivers" or "new drivers” aren't required to be accompanied by experienced drivers when driving on expressways.
B. If foreigners are staying in China for a short period, they can apply for a temporary driving permit which can be valid (有效) for three months at most.
C. When an accident occurs between pedestrians or non-motorized vehicles and motor vehicles, the motorist must always bear the responsibility.
D. It is permitted to use a hand-held (手持的) mobile phone while driving.