【单选题】听力原文:Jane, I'm afraid I won't be able to make your party. If I don't make it by half past ten, assume I'm not coming. What does the speaker mean to Jane?
A.
The speaker will not join the party until half past ten.
B.
If the speaker can finish his work before half past ten, s/he will join the party.
C.
If the speaker does not arrive at the party until half past ten, s/he will not join the party.
D.
The speaker is not able to join the party because he will not be available until half past ten.
【简答题】We waited at the bus stop for twenty minutes. ________, the bus showed up in the distance. (figured, At length, habitation, raise, on the edge of, all at once, back of)