How is this possible?

You want to create a new Lookalike Audience for Facebook in CRM Ads, but a status error message appears saying "Too few contacts”.

How is this possible? Note: There are 2 correct Answer to this question.
A . The audience is updated on a daily basis only.
B. The audience was archived.
C. The network audience was created but there are not enough contacts.
D. The network audience was created but the transfer of the contacts failed.

Answer: A,C