The displacement x versus time graph is shown below.

(A)The average velocity during 0 to 3 s is $10 \mathrm{~m} / \mathrm{s}$
(B)The average velocity during 3 to 5 s is $0 \mathrm{~m} / \mathrm{s}$
(C)The instantaneous velocity at $\mathrm{t}=2 \mathrm{~s}$ is $5 \mathrm{~m} / \mathrm{s}$
(D)The average velocity during 5 to 7 s and instantaneous velocity at $t=6.5 \mathrm{~s}$ are equal
(E) The average velocity from to is zero
Choose the correct answer from the options given below :