Some Species of Insects Are Able to Walk Across Liquid

Some species of insects are able to walk across liquid water because:

A) of the high surface tension of water due to the hydrophobic effect.
B) insects have a low center of gravity.
C) of the higher density of liquid water compared to solid water.
D) water has high surface tension due to ionic bonding.
E) of the high surface tension of water due to its cohesion.