单项选择题 It is always （） in some ways, because if it were performed as a primitive fending-off or covering-up action, it would obviously be too transparent.

单项选择题But the depth of novel and the value of its artistic and ideological feature do not depend on the theme either （） or significant.

A.versatile
B.trivial
C.preliminary
D.alternate

单项选择题In a competitive and fast-paced modern society, busy business executives are so （） their work that they hardly know what the word leisure means.

A.engrossed in
B.exempt from
C.skeptical of
D.extraneous to