Question

2. Study the amino acid sequences of the same protein taken from four different species of plants. Which pair of plants is most closely related? 
Species 1: -A-P-A-C-W- 
Species 2: -G-P-G-S-F- 
Species 3: -A-P-A-C-F- 
Species 4: -N-K-M-H-H- 
a. Species 2 and 4 
b. Species 1 and 3 
c. Species 3 and 4 
d. Species 1 and 2 

Answer 1

I think that this is B

Answer 2

I'd say B c:

Answer 3

thx