_______ are planning to go on vacation. [ ]

A. Black's

B. A Black's

C. The Black's

D. The Blacks

细菌性痢疾的临床表现是（）

A.洗肉水样腹泻，伴发热、腹痛，无里急后重

B.腹泻，黏液脓血样便，伴发热，腹痛，里急后重

C.腹泻，大便呈果酱状，伴低热，腹痛，无里急后重

D.腹泻，米泔样大便，无发热，无腹痛及里急后重

E.发热，脐周痛，腹泻，大便呈水样，有少量黏液