As per IS 456-2000; in the limit state design of a flexural member, the strain in reinforcing bar undertension at ultimate state should not be less than

A

$$\frac{f_{y}}{E_{x}}$$

B

$$\frac{f_{y}}{E_{x}}$$+0.002

C

$$\frac{f_{y}}{1.15E_{x}}$$

D

$$\frac{f_{y}}{1.15E_{x}}$$+0.002