(1) I'll Tell You Why the Mayor Decided to Modify

Multiple Choice

(1) I'll tell you why the mayor decided to modify the city's curbs for wheelchair users.(2) First, the city has a moral obligation to do so.(3) Second, since there are more voters in wheelchairs than ever before, they will be more likely to vote for the mayor in the next election if he makes life easier for them." What is true of this passage?

A) sentences (2) and (3) support the truth of (1)
B) sentences (1) (2) and (3) deductively support an unstated conclusion
C) sentences (2) and (3) explain (1)
D) sentence (1) explains (2) and (3)