To determine evolutionary relationships between organisms a comparison would most likely be made

The complete question is; 
To determine evolutionary relationships between organisms a comparison would most likely be made  between all of the following characteristics below except?
Answers
A. Methods or reproduction
B. Number of their ATP molecules
C. Sequences in their DNA molecules
D. Structure of protein molecules present
The correct answer will be; number of their ATP molecules. 
To determine the evolutionary relationships between organisms scientists can compare body structures, development before birth, and DNA sequences among other characteristics. Foe example similarities in early development suggest that species are realated and have a common ancestor.