The gametophyte of pteridophyte grows in damp, moist and shady places because

• A

  They are limited and restricted to a narrow geographical region. 

• B

  They need water for fertilization and gametophytes are free living and parenchymatous without vascular tissues.

• C

  Water is required for gametogenesis. 

• D

  Egg cell swims in water to reach to the antheridia.