A. beginning to play
B. began playing
C. and she began playing
D. she began to play
E. she had begun playing
Choice (B) is correct. It avoids the sentence fragment error (meaning no verb) of the original by providing a main verb (“began”) for the subject of the sentence. Choice D and E both commit "double-subject" error. . There is an insertion phrase bracketed by commas in between the subject and main verb (began)
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