Step 1: Concept
Reproductive strategies in plants vary across different taxonomic groups.
Step 2: Meaning
Evaluating statements: A is true (spores are product of meiosis). B is false (Chlamydomonas produces motile zoospores). C is true (asexual offspring are clones). D is true (common in simpler organisms).
Step 3: Analysis
Since A, C, and D are correct, the combination matches option C.
Step 4: Conclusion
The set of correct statements is A, C, and D.
Final Answer: (C)