________ by the advances in technology, many farmers have set up wind farms on their land. 
#98404
A
Being encouraged
B
Encouraging
C
Encouraged
D
Having encouraged
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Gunpowder is generally believed __________ in ancient China.
#95910
A
to have invented
B
being invented
C
to have been invented
D
having invented
Well, towards nightfall, I found myself ___ out to sea by a strong wind.
#95039
A
being carried
B
carried
C
to carry
D
having carried