The Lake District is a popular National Park. More and more people enjoy its fantastic scenery each year, due (A) ________ increasing numbers of car owners and improvements to local roads and motorways. This, (B) ________, is placing an ever increasing pressure on this beautiful and valuable environment.
Traffic jams in and around the Lake District create air pollution. Parking facilities at most tourist sites are overflowing in peak season causing visitors to park on the grass which, (C) ________, causes soil erosion. Litter is also a problem, (D) ________ many bins are provided and people are (E) ________ to take their litter home.
Activities (F) ________ hiking, camping and mountain biking cause severe footpath erosion. Visitors often leave the designated trails, risking nesting birds and animals being disturbed, vegetation being destroyed and water courses becoming polluted.
In addition, the traditional hill farming of the Lake District has effects on the landscape. Grazing sheep (G) ________ the grass short and eat other vegetation, including young saplings. The difficulty faced now is how to preserve the beauty of this area without lowering the enjoyment of visitors or impairing the livelihoods of local farmers.
Выберите из предложенных вариантов слово, которое пропущено в тексте рядом с буквой B.
Запишите в поле ответа цифру, соответствующую выбранному варианту ответа.