GMAT Sentence Correction (SC) | Re: A supermoon, which is the full or new moon that occurs when the moon

Asupermoon, which is the full or new moon that occurs when the moon is at or near its closest approach to the Earth, and which can make the moon appear much larger and brighter than the moon typically does.

(A) supermoon, which is the full or new moon that occurs when the moon is at or near its closest approach to the Earth, and which can make the moon appear

(B) supermoon is the full or new moon that occurs when the moon is at or near its closest approach to the Earth and can make the moon