Sorry I don't understand this
1) the direct method
2) the grammar translation method
3) the audio lingual method
4) the structural approach
5) the silent way
6) communicative language teaching (CTL)
Answer:
its either a or b but i'd go with b
Explanation:
it is not c because ti say MOST but do ALL marine animals use sound to navagate?
No you do not. Hope that helps