A．若<br /><img src="{$uploaddir}/d81ad7d9-4b5c-4a99-9788-4b279dc906c0.jpg">=0，则<br /><img src="{$uploaddir}/cb078a9b-a556-4a4f-a511-f35709262c7c.jpg">必收敛
B．若<br /><img src="{$uploaddir}/ef95ba3c-e53e-43c7-954f-f64815804b25.jpg">=1(0≤1≤∞)，则<br /><img src="{$uploaddir}/02720e2a-6eef-4ec1-a00e-27842d5ed518.jpg">必收敛
C．若<br /><img src="{$uploaddir}/6450191d-9b63-4f11-b553-d99765b0f655.jpg">收敛，则<br /><img src="{$uploaddir}/f6851086-cccf-4aa6-8748-6f6810f15e3a.jpg">必定收敛
D．若如果<br /><img src="{$uploaddir}/2d14431e-8f4c-4d8f-bb97-ae9eeb595941.jpg">收敛，则<br /><img src="{$uploaddir}/f3340cd5-a1fe-4cac-b7e3-8d979fb065e8.jpg">必定收敛