Correct option is B
Option (b) is the correct meaning of the given idiom.
Given Idiom: "Be in the same boat"
This idiom means to be in the same difficult situation as others, often used to express shared troubles or circumstances.
Example: We are all in the same boat here, trying to figure out a solution.
Other related idioms with their meanings:
1.
Up the creek without a paddle: In a challenging situation without any help.
2.
Between a rock and a hard place: Stuck between two very bad options.
3.
In hot water: In trouble or in a difficult situation.
4.
Back against the wall: Having very few options left.
5.
Between the devil and the deep blue sea: To choose between two undesirable situations.