若级数<img src="/Image1/85/85b962946e0e14a810a6d0bcc8e81c1d.jpg" />a<sub>n</sub>发散，<img src="/Image1/85/85b962946e0e14a810a6d0bcc8e81c1d.jpg" />b<sub>n</sub>发散，则有下列中何项结论（）？<br>A:<img src="/Image1/85/85b962946e0e14a810a6d0bcc8e81c1d.jpg" />（a<sub>n</sub>+b<sub>n</sub>）发散<br>B:<img src="/Image1/85/85b962946e0e14a810a6d0bcc8e81c1d.jpg" /><sub>n</sub>b<sub>n</sub>发散<br>C:<img src="/Image1/85/85b962946e0e14a810a6d0bcc8e81c1d.jpg" />（a<sub>n</sub>+b<sub>n</sub>）收敛、发散不确定<br>D:<img src="/Image1/85/85b962946e0e14a810a6d0bcc8e81c1d.jpg" />（a<sub>n</sub>-b<sub>n</sub>）收敛