Sentence Correction (SC) | Re: Most citrus that reaches New York State comes from orchards

Most citrus that reaches New York State comes from orchards in Florida, where it has been grown, harvested, concentrated, and frozen.

So, "Most citrus" will take singular verb.

(A) where ithas been grown, harvested, concentrated, and frozen
(B) wherethey are grown, harvested, concentrated, and have been frozen
(C) where it is grown, harvested, concentrated, and frozen - Correct
(D) where itwas grown, harvested, concentrated, and frozen
(E) wherethey are grown, harvested, concentrated,
...

---