1.【单选题】
知识点：下编第二章：词汇与语法知识-The story is too hard to understand.
-Yes, ______ it's short and there aren't many new words in it.
1.【单选题】
知识点：下编第二章：词汇与语法知识-The story is too hard to understand.
-Yes, ______ it's short and there aren't many new words in it.
