Barely able to speak because of the cold, the communication among the two explorers had to be done through gestures.

A.the communication among the two explorers had to be done through gestures

B.the communication between the two explorers had to be done through gestures

C.the two explorers had to communicate through gestures

D.the two explorers had to communicate between themselves from gestures

E.gestures were used to communicate between the two explorers