Answer:
The correct answer is either hand; modifies basketball.
Explanation:
Let's start by clarifying that the adverb is one that modifies a verb, a noun, an adjective or more words.
In this case we find the adverb phrase "either hand". This adverbial phrase is modifying the noun "basketball", and is the one that gives us more information about the way the ball is going to be thrown.
In AP tests, yes. But in general, no
The function of the infinitive phrase in the sentence <em>To win a marathon is my goal </em>is object of the verb.
It is definitely an object, and it would follow a verb if it were a normal ordering of words in the sentence (My goal is to win a marathon), and since it is not preceded by a preposition, it cannot be object of the preposition, but of a verb.
A sentence needs an capital letter, correct grammar and punctuation marks.