hink about the events below. After the astronauts signed the envelopes, which of these happened last?

A.Envelopes signed by the astronauts were given to their families to use as an insurance policy.
B.Envelopes signed by the astronauts were taken to be postmarked when they launched into space.
C.Envelopes signed by the astronauts were taken to be postmarked when they landed on the moon.
D.Envelopes signed by the astronauts were given to a friend to use as an insurance policy.

The correct answer is C. Envelopes signed by the astronauts were taken to be postmarked when they landed on the moon.