Task: Question Answering
Input (English): Question: If the bus had traveled 60 kmh faster than it actually did, the trip of 120 km would have lasted 1 hour less. Find the speed of the bus.

 Option A: 55 kmh

 Option B: 30 kmh

 Option C: 80 kmh

 Option D: 60 kmh

 Option E: 75 kmh
Output (English): Option D