大全519

519       Most primates are immune to feline rhinovirus, but a specific group, this being the golden macaques, are highly susceptible to the organism.

(A) a specific group, this being the golden macaques, are highly susceptible to

(B) a specific group, the golden macaques, is highly susceptible to

(C) one group, specifically golden macaques, is highly susceptible of

(D) a specific group, the golden macaques, which are highly susceptible to（B）

(E) a specific group, the golden macaques, which are highly susceptible of

(B) a specific group, the golden macaques, is highly susceptible to

这句话a specific group做单数名词主语,所以后面谓语用is,  the golden macaques做其同位语起解释作用, 对吗?

正确