Near the table ________ a poor dog, who desired to satisfy his hunger with something _________ fell from the table.

A．laid; which

B．lay ; that

C．laid ; that

D．lay ; what

If the dog hadn't woken us, we wouldn't have noticed the fire and it _____ to the house next door. [ ]

A. could spread

B. should have spread

C. would spread

D. might have spread