Question

what is the meaning of muffled? completely silent difficult to hear because something is covering and softening the sound loud and clear echoing loudly

Explanation:

The word 'muffled' means that a sound is not clear because it is blocked or softened by something. For example, a voice can be muffled if a hand is covering the mouth.

Answer:

B. Difficult to hear because something is covering and softening the sound