Most people don't realize the amount of effort（ ）in writing a novel.
A、
involve
B、
involved
C、
involving
D、
having involved
【正确答案】：B
【题目解析】：
本题考查非谓语动词的使用。
“effort努力”和“involve需要”之间的逻辑关系为被动，故需使用过去分词作后置定语进行修饰，B选项符合题意。
句意：绝大多数人意识不到创作一部小说所需投入努力的多少。
Most people don't realize the amount of effort（ ）in writing a novel.
Most people don't realize the amount of effort（ ）in writing a novel.
involve
involved
involving
having involved
本题考查非谓语动词的使用。
“effort努力”和“involve需要”之间的逻辑关系为被动，故需使用过去分词作后置定语进行修饰，B选项符合题意。
句意：绝大多数人意识不到创作一部小说所需投入努力的多少。