Select the best opening for a letter from a local nonprofit organization that refuses a request for a charitable donation.
A. The services you provide for homeless families in our community are necessary and important.
B. This is to inform you that your kind letter of May 14 has been directed to me for reply.
C. We have received your letter requesting a donation to your annual fund-raiser.
D. Although we admire what your organization does for our community, unfortunately we are unable to donate to your fund-raiser at this time.