NEED HELP ASAP DUE TODAY PLZ HELP ME!!!!

According to modern scientific evidence, about how many years ago did our Universe begin to form?
Choose 1 answer:
Choose 1 answer:

(Choice A)
A
13.8 billion years ago

(Choice B)
B
13.8 thousand years ago

(Choice C)
C
13.8 trillion years ago

(Choice D)
D
13.8 million years ago