21. By SMCP, choose one of the following sentences for expressing ”Time of arrival at pilot station is 0925 hrs UTC”(A) “Information: my reaching at pilot station zero nine two five hours UTC”(B) “Information: my ETA at pilot station zero nine two five hours UTC”(C) “Information: my time of arrival at pilot station nine twenty-five AM”.(D) “Information: my ETA at pilot station is nine twenty-five”.