Which sentence contains transition words that demonstrate a summary or conclusion?

Our sentence selection must have the following features: it includes a transition phrase and has the effect of concluding or summarizing.

A) is the best answer of the options. "In the end"  is a transition phrase that has the effect of wrapping up the ideas discussed, similar to "in conclusion". The conclusion, following what we can assume is a description of events that explain Peter's decision, sums up that his motives were clear and establishes an end to the explanation. 

“We stand there with this big smile of respect between us. It’s about as real a smile as girls can do for each other, considering we don’t practice real smiling every day, you know, cause maybe we too busy being flowers or fairies or strawberries instead of something honest and worthy of respect . . . you know . . . like being people.”