The correct sequence of reactions to get Q as the only product from P is

A

(i) $$\text{H}_2$$ and Pt catalyst (ii) $$\text{C}_2\text{H}_5\text{Cl}$$ and $$\text{AlCl}_3$$

B

(i) Mg in ether (ii) aqueous alcohol (iii) $$\text{C}_2\text{H}_5\text{Cl}$$ and $$\text{AlCl}_3$$

C

(i) Mg in ether (ii) $$\text{C}_2\text{H}_5\text{Cl}$$ and $$\text{AlCl}_3$$

D

(i) $$\text{C}_2\text{H}_5\text{Cl}$$ and $$\text{AlCl}_3$$ (ii) Mg in ether (iii) aqueous alcohol