Identify the choice that uses one or more transitions to correctly indicate a causal relationship.
A.
You solved some tough problems this​ week; please join us at the office party.
B.
You solved some tough problems this​ week; however, you​ can't help us celebrate the holidays at our office party.
C.
You solved some tough problems this​ week; next, help us celebrate the holidays at our office party.
D.
You solved some tough problems this​ week, so now help us celebrate the holidays at our office party.