A Laser Beam Is Emitted on Earth (Event $A$ ), Bounces Off a Mirror Placed on the Moon by Bounces

True/False

A laser beam is emitted on earth (event $A$ ), bounces off a mirror placed on the moon by Apollo astronauts (event $B$ ), and then returns to a detector on earth (event $C$ ). The detector is $12 \mathrm{~ns}$ of distance from the laser.
-(c) Events $A$ and $C$ are definitely causally connected.