For certain chemical reaction `X rarr Y`,the rate of formation of product is plotted against the time as shown in the figure.The number of correct statement/s from the following is________

(A) Over all order of this reaction is one
(B) Order of this reaction can't be determined
(C) In region I and III,the reaction is of first and zero order respectively
(D) In region-II,the reaction is on first order
(E) In region-II,the reaction is on first order
(E) In region-II,the order of reaction is in the range of `0.1` to `0.9`.