'Although speech is the most advanced form of communication, there are many ways of communication without using speech. Signals, sings, symbols and gestures may be found in every known culture. The basic function of a signal is to impinge upon the environment in such a way that attracts attention, as for example, the dots and dashes of a telegraph circuit.' According to the passage, what is a signal?
A. The most difficult form of communication to describe
B. A form of communication which may be used across long distance.
C. A form of communication that interrupts the environment.
D. The form of communication most related to cultural perceptions.
সঠিক উত্তরঃ
C.
A form of communication that interrupts the environment.
