Given the rationale, provide a reasonable question and answer. Step-by-step reasoning process: Flowers produce spores that develop into gametophytes. Gametophytes arise from a protonema. Flowers produce spores from a protonema.
 The question and answer:
user
Protonemas develop into what?
Options:
- (A) alveoli
- (B) ferns
- (C) lmestone
- (D) disease
- (E) illness
- (F) parasites
- (G) gas
- (H) spores
The answer is (H)
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