It has none of the difficulties and tensions of other ways of travelling, (23)_______ you are more cheerful after a ride, even through the rush hour.Đoạn văn23/40It has none of the difficulties and tensions of other ways of travelling, (23)_______ you are more cheerful after a ride, even through the rush hour.althoughbecausehoweversoGiải thíchChọn đáp án D