25 PTS AND BRAINLIEST TO CORRECT ANSWER!! PLEASE HURRY!!!

Which of the following is an arithmetic sequence?

A. -7/11, 6/11, -5/11, 4/11
B. -3/4, -3/5, -3/6, -3,7
C. 1/2, 2, 7/2, 5
D. 3/4, -3/2, 3, -6