Which Proposition Is Equivalent to "The Invitation Was Discarded as Soon

Multiple Choice

Which proposition is equivalent to "The invitation was discarded as soon as it was opened"?

A) As soon as the invitation was opened, it was discarded.
B) The person who opened the invitation discarded it right away.
C) The invitation was opened first and then discarded.
D) Whoever opened the invitation discarded it without replying.
E) The invitation was opened, ignored, and thrown away.