To is to derive a conclusion by reasoning.
a- duduce
b- mnemonic
c- etymology

The correct answer is A. deduce*

Explanation:

To deduce is the part of the reasoning in which we take a general subject and from it, we draw a specific logical conclusion. As an example, we can say that all women are beautiful thus if my mother is a woman then she is beautiful.  

The clause that is an independent clause is: we go to the market to buy strawberries. An independent clause is a clause that contains a subject and a verb, conveys a complete thought and can stand on its own just like a simple sentence. The rest of the clauses are dependent clauses.