NEET 2023 Biology question

Given below are two statements : One is labelled as Assertion A and the other is labelled as Reason R : Assertion A : The first stage of gametophyte in the life cycle of moss is protonema stage. Reason R : Protonema develops directly from spores produced in capsule. In the light of the above statements, choose the most appropriate answer from options given below:

• (A)A is false but R is true
• (B)Both A and R are true and R is the correct explanation of ACorrect
• (C)Both A and R are true but R is NOT the correct explanation of A
• (D)A is true but R is false