Miriam has a bamboo plant that is 20 centimeters tall. The plant grows at a rate of 2 centimeters a week. Which recursive formula gives the plant’s height at any week in the future? A. next = 20 × now + 12, starting at 12 B. next = now + 2, starting at 20 C. next = now + 20, starting at 2 D. next = now + 20, starting at 12 E. next = 12 × now + 20, starting at 20