Which statement(s) is(are) TRUE?

A
Polyester sailcloth, such as Dacron, is resistant to rot due to moisture but susceptible to UV degradation and should bekept covered as much as possible.
B
Canvas sailcloth is susceptible to rot due to moisture and should never be covered when wet.
C
Kevlar sail cloth is susceptible to weakening due to repeated folding and therefore should be draped loosely overthe boom when stowed.
D
All of the above are true.
E