The correct answer is get bogged down.
A. regard with favor
B. get bogged down
C. fall short
D. reflect light
The correct answer is (B) To become bogged down; to become stuck; to cause to be stuck fast in mire or mud.
Mire comes from Old Norse myrr (swamp, bog).
Examples of use:
- Don't let yourself become mired in the minutia.
- The wheels of the truck are mired in the clay.