Select the option that gives the most appropriate meaning of the underlined idiom.

I am working on too many projects. I think I have bitten off more than I can chew.  

To take on more than one can handle

The most appropriate meaning of the underlined idiom "bitten off more than I can chew" is to take on more than one can handle.

This idiom is used to describe someone who has undertaken a task or responsibility that is too difficult or demanding for them. It is often used in a humorous way, but it can also be used to express concern or worry.

In the sentence "I am working on too many projects. I think I have bitten off more than I can chew," the speaker is saying that they have taken on too much work and that they are struggling to cope.

The other options are not as accurate.

• Not able to finish work - This option is partially accurate, but it does not capture the full meaning of the idiom. The idiom suggests that the person is struggling to complete the work, not that they are unable to complete it at all.
• To be happy to multitask - This option is not accurate because the idiom does not suggest that the person is happy with the amount of work they have taken on.
• To find work dull - This option is not accurate because the idiom does not suggest that the person is bored with their work.