Answer:
A complex sentence is made up of at least two independent clauses and 1 or more dependent clauses.
I can't really see number two...
Answer:
See Explanation
Explanation:
Who should be used to refer to the subject of a sentence.
Whom should be used to refer to the object of a verb or preposition.
So, the answer is Whom.
A
Why? because a pitcher is a noun which is a person/place/thing/animal
Got that?