This problem is said _____ three times. 
#92660
A
having discussed
B
to have been discussed
C
having been discussed
D
to have discussed
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  Until the present century, ________ demand for natural gas.
#94717
A
little
B
and little
C
there was little
D
was there little
 The newly built stadium for the next Olympic is         the present one.
#92011
A
as three big as
B
as big three times as
C
as big as three times
D
three times as big as
She never laughed,_________ lose her temper.
#91965
A
or she ever did
B
nor did she ever
C
or did she ever
D
nor she ever did