The strand fills with water during the rainy season that the peat then holds and keeps it humid, all of which creates conditions enabling trees to grow.
A. enabling trees to grow.
B. for the trees to grow.
C. for growing trees.
D. that enable the trees to grow.
E. that the trees can grow.
since it is a cause and effect question so i thought that the answer should be A...but the actual answer is D...pls explain!! :)