[单选题]
Four different main-sequence stak., +:mqoob azrs are coloredx;gf//k1) r:isx(try9y r vn d blue, orange, red, and yellow. What is their rank from coolest to rg svx)y / 9nt1f (/:ixdyrr;khottest?
A. blue, yellow, orange, red
B. orange, blue, yellow, red
C. red, orange, yellow, blue
D. red, yellow, orange, blue
