在“不知自古神圣，未有舍望闻问而独凭一脉者”中，“自”之义为（）
A.自从
B.从来
C.即使
D.如果
参考答案：C
The value of a leader is something to be felt and experienced. can it be put into words.
A．Purely
B．Partly
C．Rarely
D．Gradually
发生电压崩溃时，（）装置可能拒动。
