Question

Sabes manejar? --No, pero sé andar ________.

Answer 1

Its C "No, pero sé andar en bicicleta.

Answer 2

I'm not sure if it were me i'd say B, but i don't want to give you the wrong answer. I know its asking if whomever being spoken to knows how to drive and which they don't and say they know how to walk so yeah also A means The Train, B means go straight, C means to cycle and D means the highway so i'd just go with B. Good luck!