The answer would be C.
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This is because indirect objects are nouns or pronouns that identify to whom or for whom the action of the </span>verb<span> is performed, as well as who is receiving the direct object. Indirect objects are seen infrequently.</span>
The correct subordinating conjunction is "yet" and the sentence is completed as follows:
Mandy practiced karate every day, yet she failed to beat her final opponent.
The word "yet" is a subordinating conjunction that means "nevertheless" or "however", it is associated with negative statements in order to mention that an event did not take place.
In this sentence, it explains that even though Mandy had practiced she did not beat her opponent.
Her doctor believed that intellectual effort was making her ill. Women were not supposed to exert themselves much physically." was the social attitude of Gilman’s era that the excerpt best demonstrates.
