A.(通話時(shí)長(zhǎng)+小休時(shí)長(zhǎng))/登錄時(shí)長(zhǎng)*100%
B.(振鈴時(shí)長(zhǎng)+話后處理時(shí)長(zhǎng))/通話時(shí)長(zhǎng)*100%
C.(排隊(duì)時(shí)長(zhǎng)+振鈴時(shí)長(zhǎng))/登錄時(shí)長(zhǎng)*100%
D.(通話時(shí)長(zhǎng)+話后處理時(shí)長(zhǎng))/登錄時(shí)長(zhǎng)*100%
A.100/0
B.85/20
C.95/20
D.90/15
E.80/20