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.

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

单项选择题He hasn‘t analyzed why he tips so generously, but I think the proclivity stems from his high school years, when he worked as a busboy.（）

A.predilection
B.prosperity
C.premeditation
D.preamble