I think its C.locate key Info Because if you reread the paragraph you will find some sentences that will help you.
If the filtration system does not work, someone can use the document to solve the problem "by repeating the installation steps described in the document and referring to the diagram".
<u>Answer:</u> Option A
<u>Explanation:</u>
Every product is launched in market with it guideline book or pamphlet. It consist basically rest of the important details which is required to access the product with more ease and satisfaction. Electrical appliances or products have installation step book, for the cases when one is unaware about the installation of software or calibration of system. If one face barriers in installation than firstly steps should be repeated as given in book rather than concluding that system is damaged.
In this excerpt from The Song of Hiawatha, Henry Wadsworth Longfellow tries to share with the reader the feelings about native american indians and their beautiful traditions with the objective of recording the deeds of Hiawatha and showing the reasons why he was so imporant for his tribe.
C im not sure is is right .
The thesis statement is usually the statement that presents the author's view or main idea of the subject.