The isotherms of a gas are shown below :

Among the following
(i) At `T_1 ` , the gas cannot be liquified
(ii) At point B, liquid starts to appear at `T_2`
(iii) `T_C` is the highest temperature at which the gas can be liquified
(iv) At point A , a small increase in pressure condense the whole system to a liquid.
teh correct statements are :

Options

A. only(i) and (ii)
B. only (i) (iii) and (iv)
C. only (ii),(iii) and (iv)
D. (i) , (ii), (iii) and (iv)