AdmitJA wrote:
Hi,
Kindly help me understand this question!
The rain has flooded drainage canals in many orange-tree groves,which has caused the fruit to fall before it will ripen and also threatened to kill the trees.
a) which has caused the fruit to fall before it will ripen and also threatened to kill
b) which not only caused the fruit to fall without ripening, but also threatened killing
c) not only causing the fruit to fall before ripening, but also threatening to kill
d) causing the fruit to fall before
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