Which Pair of Sentences Shows the Most Effective Transition from the First

Multiple Choice

Which pair of sentences shows the most effective transition from the first sentence to the second?

A) Demand for kettle chips is down by 15 percent. As a result, we have laid off 12 production workers.
B) The vendor assured us that the replacement parts would be delivered in time for the product release. The parts were delivered nearly two weeks after the product release.
C) The furniture-replacement project was originally expected to cost us $450,000. Unfortunately, the final cost was $300,000.
D) Brazilian people love soccer. My friend Silvino has played soccer all his life.