Given a text T, and several options, according to the question posed in the text T to choose the most appropriate option from the options as the answer, please directly output the most appropriate option, do not need to output the explanation.

Which factor is associated with a more favorable quality sovereign bond credit rating?
Option A:Issued in local currency, only
Option B:Strong domestic savings base, only
Option C:Issued in local currency of country with strong domestic savings base

Answer: C