Choose the correct word/phrase to complete each sentence.

_______ I hadn't been expecting any visitors, I was wearing pyjamas when the doorbell rang.
AWhile 
BWhy
CSince 
DDue to
C)Since
Choose the correct word/phrase to complete each sentence.

_______ I hadn't been expecting any visitors, I was wearing pyjamas when the doorbell rang.
AWhile 
BWhy
CSince 
DDue to