因受外界干扰力的作用而产生的振动，称为（）。

A.自由振动；

B.强迫振动；

C.共振。

Which of the following is least likely an indication of good corporate governance practices（）

A. The board typically supports management decisions.

B. The board only acts in the best interest of the shareholders.

C. The firm’s operating and financial activities are reported in a timely manner to the shareholders.