'Mechanisms' is plural, requiring the plural verb 'remain' to maintain subject-verb agreement.

'Despite' is a preposition that should not be followed by 'of'. The correct form is 'despite the constraints' not 'despite of the constraints.'

The passage presents both positive aspects (potential, accuracy) and negative aspects (hurdles, concerns), indicating a balanced perspective.

The logical sequence is: pandemic caused acceleration (A), companies adopted solutions (B), this revealed challenges (C), resulting in new standards (D).

The passage suggests both infrastructure AND training are needed, not that training alone is sufficient. Option C overstates the claim.

'Each' is singular, so the verb should be 'has', not 'have'. While 'their' usage is increasingly accepted, the primary error is the verb agreement.

'Unlocked' means to reveal or make available. It fits the context of AI opening new possibilities in healthcare.

Using 'reason why' + 'because' is redundant. Either say 'The reason the project failed is...' or 'The project failed because...'

The sentence uses 'while' to contrast two aspects: positive (productivity) and negative (job concerns), presenting both sides.

'Influence' is singular, so the verb should be 'is', not 'are'.