题目

下列关于种群、群落、生态系统的叙述中正确的是（ ）A．编码脱氯化氢酶基因（DHCE）突变可产生DDT抗性家蝇，与普通家蝇属于不同物种B．在演替过程中，群落的垂直结构都发生了变化，但水平结构未改变C．行为信息只可发生在同种和异种动物之间，不可以发生在动植物之间D．性引诱剂对害虫种群性别比例的影响远大于出生率All the candidates were ________ the street to be named after a great man ________ his greatcontributions to the city. [     ]A. in honor of; in favor of   B. in praise of; in favor ofC. in favor of; in honor of      D. in praise of; in need of