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”.