---What caused the party to be postponed
问题:
---What caused the party to be postponed?
----_____the invitations .
A.Tom to delay sending
B.Tom’s delaying sending
C.Tom delaying to send
D.Tom delayed to send
---What caused the party to be postponed?
----_____the invitations .
A.Tom to delay sending
B.Tom’s delaying sending
C.Tom delaying to send
D.Tom delayed to send