把这个句子合并为含有条件状语从句的复合句.

问题描述:

把这个句子合并为含有条件状语从句的复合句.
Jane listens to the teacher carefully.Jane will understand him.
( )Jane listens to the teacher carefully,( )will understand him.

Jane listens to the teacher carefully.Jane will understand him.
( If )Jane listens to the teacher carefully,( she )will understand him.