Answer:
C)
Step-by-step explanation:
Nuclear energy is too dangerous to be used widely.
E.G.
This test is so difficult or that test is so difficult - which may mean you find this test difficult and makes it more individual to you. But this test is too difficult. This almost generalised the test as being difficult. So, others may feel the same. Thus, appeals to a wider audience and not just for you.
Such is for listing - my bag contains things such as books, pens, etc
Too risky - almost generalising for a certain activity, for example, bungee jumping is too risky.
That is a book.
Hope this helps!