<span>it should be a preprinted document that contains spaces in which the user enters information</span>
<span>The correct answer is A, because that is the only option where there is a subordinate adjective clause 'which come in many varieties'. </span>
This is a complex sentence which consists of a dependent or subordinate clause and an independent clause.
'If you finish your yard work' -- dependent clause
'you can take the car to the movie' -- independent clause.
Conjunction, “If” is a conjunctional term that begins a sentence with a dependent clause
