Robert listened to the phone ring again and again. A. ringing B. that rang C. as it rang D. No improvement

[amp_mcq option1=”ringing” option2=”that rang” option3=”as it rang” option4=”No improvement” correct=”option4″]

The correct answer is: D. No improvement

The sentence “Robert listened to the phone ring again and again” is grammatically correct and conveys the intended meaning clearly. The other options are either grammatically incorrect or do not convey the intended meaning as clearly.

• Option A, “ringing,” is a participle that cannot be used as the subject of a sentence.
• Option B, “that rang,” is a relative clause that is not necessary in this sentence.
• Option C, “as it rang,” is a prepositional phrase that does not convey the intended meaning as clearly as the original sentence.

Therefore, the correct answer is “No improvement.”