Which of the Following Statements Regarding Ulva Is True

Which of the following statements regarding Ulva is true?

A) Ulva, a brown algae, resembles land plants because it produces diploid gametes.
B) Ulva, a brown algae, has a complex life cycle with diploid body cells and haploid gametes.
C) Ulva, a green algae, has a complex life cycle with diploid body cells and haploid gametes.
D) Ulva, a green algae, has a complex life cycle with alternation between multicellular diploid and haploid generations.