非谓语动词语法题--------------,a form 57 must be completedA:To apply

应该选B
要想获得这个工作,必须填写57号表格.
这句话的主语是a form,不是人而是一个物
而其它三个答案的主语都应该是人.
To apply for this job,you have to complete a form 57.
Making applicaiton for this job,you have to complete a form 57.
If you want to apply for this job,you have to complete a form 57.

如果你想申请这个工作，那么表格57必须填完整。
D