The correct answer is deep mire.
B. deep mire
D. wet hay
The correct answer is (B) Deep mire, mud hole, an area of soft, muddy ground; quagmire. Also, a swamp; swamp-like area; marshy place.
Slough comes from Old English slóh.
Examples of use:
- The farm's slough attracted geese and other birds during their migrations.
- The water of the slough on his farm was home to both shrimp and fish.