Maria had been ... to going for a ride for ages. a) look forward b) looked forward c) looking forward

Maria had been looking forward to going for a ride for ages.

Had been Maria looking forward to going for a ride for ages?

Had been Maria or Susan looking forward to going for a ride for ages?

How long had been Maria looking forward to going for a ride?

What had Maria been looking forward to?

Who had been looking forward to going for a ride for ages?

Maria had been looking forward to going for a ride for ages, hadn\'t she?