露出性胸腔积液，各种不同性质的胸腔积液化验特点是（）

A．乳样，乙醚试验苏丹Ⅲ染成红色

B．草黄色微浊，细胞数＞500×10⁶/L、蛋白30g/L，LDH300IU/L

C．LDH＞500IU/L、LZM(溶菌酶)与ADA(腺苷脱氨酶)正常

D．胸液蛋白/血清蛋白＜0.5、LDH＜200IU/L、胸液LDH/血LDH＜0.6

E．RBC＞5×10⁹/L、细胞数＜400×10⁶/L

(2013·江西十所重点中学二模)The businessman wears a suit and a tie with a beard ________ the season.

A．whatever

B．wherever

C．whenever

D．however