Choose the best answer to fill in the bl…

Choose the best answer to fill in the blank.

Nina: The new parking rules are so confusing. I had to read the notice three times.

Oscar: ___ I still don't know whether I can park behind the building at weekends.

Nina: Maybe we should ask the office manager to explain them at the next staff meeting.

Oscar: Good idea. I'm sure many people have the same questions.

Nina: I'll write to her this afternoon and let you know what she says.