Viggo pressed on , hoping to reach his estate by nightfall . They stopped briefly at midday to share some of the provisions that Orlando had packed for them , but they ate in a hurry , for it seemed likely that it would soon start to rain and their open carriage would provide little cover . Although there should have been at least an hour of daylight left , it soon became very dark , the thickening clouds obscuring all remaining light . They found themselves driving through dense woods , the horses neighing and pulling at the reins , making the carriage shake .

Question with options to choose from: What might be different if they did n't have an open carriage ?
pick from the following. (a). They would have cover from the rain (b). They would n't be driving through the dense woods (c). None of the above choices . (d). They would n't have cover from the rain
(a).