The science camp since the students a letter of acceptance.
A. The science camp was sent a letter of acceptance for the students.
B. a letter of acceptance to the students were received from the science camp.
C. a letter of acceptance was received by the science camp for the students.
D. the students were sent a letter of acceptance by the science camp.

The correct option is D. the students were sent a letter of acceptance by the science camp.

Explanation:

Option A cannot be correct because a letter of acceptance will not be sent to the science camp. Instead, the science camp sends the acceptance letters to the students.

Option B cannot be true because the sentence structure is not correct.

Option C cannot be true because a letter of acceptance will not be received by the science camp.

Option D correctly indicates the sending of the letter of acceptance to the students by the science camp.

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