单项选择题

判别级数的敛散性的正确方法是(    ).
   (A),因为收敛,所以级数收敛
   (B),所以级数收敛
   (C),因为发散,所以级数发散
   (D),所以级数收敛

A.174.24.96:6088/Latex/latex.action?latex=XHN1bSBfe249MX1ee1xpbmZ0eSB9XGZyYWN7bisyfXsyXm59'
B.

C.174.24.96:6088/Latex/latex.action?latex=XGZyYWN7bisyfXsyXm5977yeXGZyYWN7MX17Ml5ufQ%3D%3D'
D.174.24.96:6088/Latex/latex.action?latex=XHN1bSBfe249MX1ee1xpbmZ0eSB9XGZyYWN7MX17Ml5ufQ%3D%3D'
E.174.24.96:6088/Latex/latex.action?latex=XGxpbSBfe25cdG8gXGluZnR5IH1cZnJhY3tuKzJ9ezJebn09MA%3D%3D'
F.174.24.96:6088/Latex/latex.action?latex=XGZyYWN7bisyfXsyXm5977ycKG4rMik%3D'
G.174.24.96:6088/Latex/latex.action?latex=XHN1bSBfe249MX1ee1xpbmZ0eSB9KG4rMik%3D'
H.174.24.96:6088/Latex/latex.action?latex=XGxpbSBfe25cdG8gXGluZnR5IH1cbGVmdCggXGZyYWN7biszfXsyXntuKzF9fVxjZG90IFxmcmFj%0D%0AezJebn17bisyfSBccmlnaHQpPVxmcmFjezF9ezJ977ycMQ%3D%3D'