Match the materials in Group 1 with the Young's modulus (GPa) in Group 2.

Group 1	Group 2
P. Copper	1. 4
Q. Ployvinyl cholride	2. 37
R. Steel	3. 70
S. Silicate glass	4. 110
	5. 207
	6. 700

A. P-4, Q-1, R-5, S-3

B. P-S, Q-1, R-4, S-2

C. P-4, Q-2, R-6, S-3

D. P-2, Q-3, R-5, S-6

Answer: Option A