Each of the Following Statements Concerning Retroviruses Is Correct EXCEPT

Each of the following statements concerning retroviruses is correct EXCEPT:

A) The virion carries an RNA-directed DNA polymerase encoded by the viral genome.
B) The viral genome consists of three segments of double-stranded RNA.
C) The virion is enveloped and enters cells via an interaction with specific receptors on the host cell.
D) During infection, the virus synthesizes a DNA copy of its RNA, and this DNA becomes covalently integrated into host cell DNA