Correct Answer: Anxious and tense

Solution : The first option is the correct choice.

The idiom on tenterhooks is used to describe a state of nervousness or anxiety, often while waiting for something or in anticipation of an uncertain event. If someone is on tenterhooks, he is in a state of suspense or tension, unsure about the outcome of a situation.

Therefore, the correct answer is, anxious and tense ​​​​​.