In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement isneeded, select "no improvement".
My daughter (comes running) as fast as her little feet can take her while her eyes sparkle vivaciously
It takes eight hours for a 600 km journey, if 120 km is done by train and the rest by car. It takes 20 minutes more, if 200 km is done by train and the rest by car. The ratio of the speed of the train to that of the car is: