It rained heavily in the south, （ ） serious flooding in several provinces.
（A）caused
（B）having caused
（C）causing
（D）to cause
There are still many problems （ ） before we are ready for a long stay on the moon.
（A）solving
（B）solved
（C）being solved
（D）to be solved
He hurried to the hospital, only （ ） his father had just died.
（A）to tell
（B）to be told
（C）telling
（D）told
