Greg can't remember how tall his 9-month-old niece is. He guesses that she is 100 cm tall. Which of the following is true? Age (months)

Height (cm)

3 61.1
6 67.8
9 72.3
12 76.1

A.
Based on the data, Greg's guess is reasonable.

B.
Based on the data, Greg's guess is not reasonable.

C.
Based on the data, Greg's niece should be around 61.1 cm tall.

D.
Based on the data, Greg's niece should be around 76.1 cm tall.