The correct answer is B) free response essay.
The type of essay that does not require that you examine and analyze secondary source documents is a free response essay.
When you are writing an essay and do not need to search for extra documents for validation you are using a free response essay. The writing of this form is natural. The ideas come to your mind and you start writing them. You just check your grammar and orthography. The free response essay does not force you to double check the information through different sources, books, newspapers, magazines, or other kind of reference.