What if instead of "one possible explanation," he just said "one explanation"? Then would D be correct?

why so many 5 star questions as im trying to learn the concept. can we chill

I got it right but it took me 3 extra minutes...

@HopeEvans Same!

im ngl i have not got one of these right

@AkshayaAnnampedu same i hope I can get faster

@EdSarJ Athlete should be the superset and olympian should be the subset

i got it right but took 5 minutes...