Hint: First read all the given options. We must know the meaning of the given options and also we must see that the selected option will make the sentence meaningful.
Choose the option which will be grammatically correct.
Complete step-by-step answer:
Let’s understand first what an Adjective is.
Adjective: A word used with a noun to describe or point out, the person, animal, place or thing which the noun names, or to tell the number of quantity, is called an Adjective.
Example: 1) Gloria is a clever girl.
2) He gave me five mangoes.
3) I don’t like that boy.
In sentence 1st “clever” describes the girl Gloria. In sentence 2nd “five” shows how many mangos he gave me. In sentence 3rd “that” points out which boy is meant.
Now let’s examine and understand which option is suitable for the given sentence.
Simplified: as the word ‘very’ is used in the sentence which is a comparative degree of determiner, so we can’t use “simplified” because it is a comparative adjective that means ‘simpler’. Hence this is an inappropriate option.
Correctness: as the word ‘very’ is a determiner of degree so “correctness” can’t be used as it is a noun. Hence this is also an inappropriate option.
Tougher: as the word ‘very’ is used in the sentence which is a comparative degree of determiner, so we can’t use “tougher” because it is a comparative adjective that means ‘harder’. Hence this is also an inappropriate option.
Tough: as the word “tough” is a positive degree of adjective that means ‘hard’ and can be used with a comparative determiner so it is absolutely the correct answer for the given sentence.
Hence the appropriate answer will be option [C].
Note:There are 3 degrees in adjectives.
A) A Positive adjective- Used to describe, but not to compare.
B) A Comparative adjective- Used to compare two different objects, items, etc.
C) A Superlative adjective- Used to compare three or more things.