A.雖然班長(zhǎng)沒去開會(huì),但劉某去開會(huì)了B.班長(zhǎng)和劉某沒有都去開會(huì)C.雖然劉某沒去開會(huì),但班長(zhǎng)去開會(huì)了D.只要班長(zhǎng)去開會(huì),劉某就去開會(huì)E.并非“班長(zhǎng)不去開會(huì),劉某就不去開會(huì)”
A.無p必?zé)oqB.無q必?zé)opC.有p必有qD.有p必?zé)oqE.有p未必有q