Suppose an Efficient Conducting System Evolved in a Moss That

Suppose an efficient conducting system evolved in a moss that could transport water and other materials as high as a tall tree. Which of the following statements about "trees" of such a species would be true?

A) spore dispersal distances would probably decrease
B) females could produce only one archegonium
C) unless its body parts were strengthened, such a "tree" would probably flop over
D) individuals would probably compete less effectively for access to light