Question

The cries of the kittens echoed throughout the shelter even though fewer cats than usual were there.
a. echod
b. ekoed
c. eckoed
d. Correct as is

Answer 1

Correct as is. 
"Echoed" is the correct word to use here. 
"Ecod" is not a word.
"Ekoed" is not a word.
"Eckoed" is also not a word. 

Answer 2

Answer:

ITs D.......

Explanation: