Select the most appropriate option to fill in the blank.

She became frustrated with her poor health and began to lose _______ of her recovery.

hope

The most appropriate option to fill in the blank is hope.

The sentence is about someone who is losing hope for their recovery. The word "hope" conveys the idea of a feeling of expectation and desire for a particular thing to happen. This is what the person is losing, as they become frustrated with their poor health.

The other options are incorrect.

• Weight does not make sense in this context.
• Idea does not make sense in this context.
• Money does not make sense in this context.