Devon went to the doctor for his annual checkup. The doctor gave him a full physical exam. Then she compared all data with the previous year's results and said, ""Congratulations on a successful year of mitosis!"" Which statement best explains the doctor's comment?
A. Devon lost weight over the last year.
B. Devon began showing signs of puberty.
C. Devon grew taller over the last year.
D. Devon recovered from an illness.