In sentence 3. It should be
Discouraged by this, Loraine walked four blocks to a coffee shop.
School is a daily manifestation of torture.
Basically says school it daily torture.<span />
The answer is letter a. The Olmec culture is recalled today in part because it was the first Mesoamerican culture to build small cities, most particularly San Lorenzo and La Venta. It was said there were an abundant rainfall and seasonal flooding within the site the Olmec Civilization in those places.