By means of radio, the captain of a ship can talks with men in other ships or with men ashore.…......., or if bad weather is ahead, he can be told of it in time to change his course.

A
TV is a means of entertainment
B
Because of it, captains keep the radio under their pillows
C
Phone too, makes communication possible
D
Whatever, the captain should maintain his course
E
He can learn if it is safe for him to go on his destination