The correct answer is: C. no article, no article, no article

The word "chemistry" is a non-count noun, which means it cannot be used with a definite article (the) or an indefinite article (a/an). It is also a mass noun, which means it cannot be pluralized.

The word "university" is a countable noun, but it is not used with a definite article (the) when it is referring to a general concept of university education. It is also a singular noun, so it cannot be pluralized.

The word "present" is an adjective that means "now" or "at this time." It is not used with an article.

Therefore, the correct answer is: C. no article, no article, no article

Here is a brief explanation of each option:

  • Option A: no article, the, the

This option is incorrect because the word "chemistry" is a non-count noun and cannot be used with a definite article (the).

  • Option B: a, the, no article

This option is incorrect because the word "university" is a countable noun and is not used with a definite article (the) when it is referring to a general concept of university education.

  • Option C: no article, no article, no article

This option is correct because the word "chemistry" is a non-count noun and cannot be used with a definite article (the), the word "university" is a countable noun and is not used with a definite article (the) when it is referring to a general concept of university education, and the word "present" is an adjective that means "now" or "at this time."

  • Option D: no article, a, the

This option is incorrect because the word "chemistry" is a non-count noun and cannot be used with an indefinite article (a/an).