다음 글의 밑줄 친 부분 중, 어법상 틀린 것은? [3점]
reality tv programs are products, just like t-shirts or coffee, and consumers can’t seem to turn them off. but why do consumers keep ①watching them? this is one type of question consumer behavior researchers are interested in answering. researchers say ②that reality tv programs offer several benefits to consumers, including　satisfying their curiosity. “we all like to watch people in situations　③which we ourselves might be pressured. we can feel what they are feeling but at a safe distance,” says professor kip williams of macquaric university. we also role-play with　ourselves in the context of the show, ④imagining how we might react in a similar situation. this, researchers say, can teach us ⑤to be self-improving.

몇번이 틀리고, 왜 틀렸는지 자세히 설명좀 부탁드려요.
글구 맞는 번호들도 각각 어떤 문법에 해당하는지 알려주심 감사하겠습니다. 습니다. 꾸벅