Which of the following types of stars started out on the main sequence with the largest initial mass?

Question

In Graph A, the curve peaks at 800 nm, in the red section of the visible light spectrum. In Graph B, the curve peaks at 550 nm, in the green section of the visible light spectrum. In Graph C, the curve peaks at 450 nm, in the blue section of the visible light spectrum. In Graph D, the curve peaks at 300 nm, in the violet section of the visible light spectrum.

A
B
C
D

pls help

Answer 1

Blue giants are the largest stars on the main sequence

Answer 2

I believe I hate myself for not knowing this

Answer 3

idk