The answer is c.
because he/she will feel powerful on the motorcycle.
The answer would be D. nonet. nonet-nine-et
An octet is 8
duet is 2
and a quartet is 4
The vault was ornamented with coffers. Some triumphal arches were surmounted by a statue or a currus triumphalis, a group of statues depicting the emperor or general in a quadriga. The inscriptions on Roman triumphal arches were works of art in themselves, with very finely cut, sometimes gilded letters.