--description--

This task focuses on reviewing the use of can for expressing capability and the use of the verb try in the past continuous tense.

Can is used to talk about someone's ability to do something, like I can solve this problem.

Try in the past continuous (was/were + verb in the -ing form) indicates an ongoing action in the past, like I was trying to fix the issue.

--questions--

What does Sarah mean when she says, I can explain what I was trying to achieve there?

She has the ability to clarify her past actions.

She needs help to understand the code herself.

Sarah is offering help, not asking for it.

She will try to achieve something in the future.

Sarah talks about past efforts, not future plans.

She wants Brian to explain the code to her.

Sarah is offering to explain, not asking Brian to do so.