Linnaeus Began Naming Organisms That Were Alike by Using Latin

Linnaeus began naming organisms that were alike by using Latin names, he gave each organism two names; for example a wolf is called Canis lupis by scientists. What type of naming system is this and what group does "lupis" designate?

A) Binomial nomenclature; genus.
B) Binomial nomenclature; species.
C) Zoological nomenclature; genus.
D) Zoological nomenclature; species.
E) Both binomial and zoological nomenclature; species are correct.