Both idioms are correctly used. 'Came to the forefront' means became prominent, and 'not a flash in the pan' means it's not temporary success.

'Put all eggs in one basket' means to risk everything on one strategy, which is correctly applied here to criticize the marketing team's approach.

'Bury the hatchet' means to end a conflict and make peace, which perfectly fits the context of reaching a compromise.

Both idioms are correctly used: 'too good to be true' and 'something is fishy' are appropriate and grammatically sound.

'On thin ice' means in a precarious position. Refusing to adapt to new technologies in 2024-25 would put employees in a vulnerable position.

'Level playing field' means fair and equal conditions. 'Crooked dealing' is its opposite, not a substitute.

'A tough row to hoe' (idiomatic) means a difficult task or problem to solve. Both A and C use it metaphorically and correctly in non-farming contexts.

'Keeping the home fires burning' symbolizes maintaining connection and loyalty despite distance. This metaphorically applies to remote teams maintaining organizational culture across locations.