I think it's A.................
Based on the given sentence above, the number of independent and subordinate clauses would be <span>one subordinate clause only. The given group of words above only consists of a subordinate clause and does not convey a complete thought, even though the clause still have a subject and a verb. Hope this answer helps. </span>
Answer:
How have fast-food restaurants responded to people being more conscious of healthful diets?
Explanation:
