Other forms of nonlinguistic language can be (64) _________ in Braille (a system of raised dots read with the fingertips), signal flags, Morse code, and smoke signals.
Other forms of nonlinguistic language can be (64) _________ in Braille (a system of raised dots read with the fingertips), signal flags, Morse code, and smoke signals.
A. found
B. trailed
C. explored
D. traced