Juega, jugamos should be the answers (unless moderators from this site are acting stupidly again.)
Answer:
C
Explanation:
Fernando compro dos lamparas nuevas.
Fernando bought two new lamps. the usage of compro, means that he already bought them. To indicate dos (two) would insinuate that the amount of lamps would be plural and not singular. Lampara would be a single lamp. Lamparas are two or more.
Parecen ser beneficiosas porque la mayoría de las alumnas piensan que ningunas carrera está vetada