Which sentence contains a meaning error in the might-not versus could-not possibility contrast?
The seedling might not survive the cold snap, but its chances are still uncertain.
Every councillor is undecided, so the proposal could not pass tonight, though approval remains possible.✓Правильный ответ
The solid cabinet could not pass through a doorway narrower than the cabinet itself.
The cloud might not reach the observatory, and either forecast could still prove right.
Объяснение
The sentence about the proposal is erroneous because could not pass presents impossibility despite the explicit statement that approval remains possible. The other sentences distinguish uncertain non-occurrence from a result ruled out by known limits.