Classify the triangle, then solve: $A=60°,B=15°,c=6$.

• A. $SAA,a=6.69,b=22.4,C=105\degree$
• B. $ASA,a=6.69,b=22.4,C=105\degree$
• C. $ASA,a=5.38,b=1.61,C=105\degree$
• D. $SAA,a=5.38,b=1.61,C=105\degree$