It depends on the subject, and what pronouns it passively carries.
D) navegador
I took Spanish classes
That's the right answer. It is lo since the object is masculine :))
1. No yo como Tocino 2. Té o Café & Me gusts mas el cafe 3. No yo tomo Leche 4. No yo como pizza 5. No yo tomo limonada 6. No yo comparto la cena