求详解At first she found___ what she wanted to.A.that it hard to do B.hard to do C.it hard to do

答案为C1）考点：it作形式宾语,指代to do sth这个真正的宾语,sth为do宾语这里的sth被what she wanted to这个从句代词,同样作do的宾语.2）表达效果：为了避免句子头重脚轻的现象.3）At first she found it hard to do...