Correct Answer: imperilled

Solution : The correct choice is the second option .

In this context, warned indicates providing caution or information to prevent danger, while imperilled signifies the action or state of being at risk or in a hazardous situation, which is the opposite action of warning.

The meanings of other options are as follows:

• Waked : This is the past tense of the verb "wake", which means to become or cause someone to become alert or conscious after sleeping.
• Prepared : This word is the past tense of "prepare", which means to make ready or organise for a particular purpose or activity.
• Predicted : This is the past tense of "predict", which means to say that something will happen in the future.