What are you trying to ask ?
People feel happy
hope this helps :)
The correct answer is B. A new way of thinking about gravity
Explanation:
In a summary, you should include key ideas and details to explain what is the main idea or purpose of the text. In the case of the excerpt presented, this focuses on explaining how thinking in a non-conventional way made scientists such as Albert Einstein achieve success.
According to this, the detail that should be included is "A new way of thinking about gravity" because the key for scientists was "A new way of thinking", and therefore this detail is related to the main idea of the text, which makes it an essential and a relevant detail in a summary. Also, others such as "the scientist who forgot to eat his lunch" or "a few other agnate ideas" are not relevant or essential for the main idea of the text.
With the cold water beneath our knees the smiles on our faces had glee
