Og 的due to和because of doing的wordy和awkward

杨梅希果

Turtles, like other reptiles, can endure long fasts, in their ability to survive on weekly or even monthly feedings; however, when food is readily available, they may eat frequently and grow very fat.
A、fasts, in their ability to survive
B、fasts, having their ability to survive
C、fasts, due to having the ability of surviving
D、fasts because they are able to survive
E、fasts because of having the ability of surviving
CE选项
Og 对due to和because of doing的解释是wordy和awkward，谁可以给升华一下，为啥wordy和awkward了。