选 B
略作宾语的不定式短语,只保留to.
e.g.---- Are you going there?
---- I’d like to (go there).
注意：如果该宾语是be动词或完成时态,
则须在to之后加上be或have.
e.g.---- Are you an engineer?---- No,but I want to be.
---- He hasn’t finished the task yet.---- Well,he ought to have