[Product line] in?pline?

A report author has the following filter in a report:

[Product line] in?pline?

The report author adds a Value prompt based on the existing parameter ‘pline’. After adding the prompt, the Auto-submit property is defaulted to ‘No’ and cannot be changed to ‘Yes’.

What is the cause of this?
A . Default selections are missing in the Value prompt.
B . The Value prompt created based on the filter is a Multi-select prompt.
C . A prompt based on an existing parameter as Auto-submitcannot be made.
D . Auto-submit is a property that is only available for select and search prompts.

Answer: A