Q: Fact 1: Ablack hole is formed by a high-mass star collapses. Fact 2: Bigger mass means smaller star. Given the two facts above, a black hole is formed by a what diameter star?

Possible answers:
A). heat.
B). matter.
C). size.
D). small.
E). dead.
F). nucleus.
G). burning.
H). deadly.
The answer is:
D).