C is the answer. Because deleterious is the opposite of helpful. And ominous is the opposite of friendly.
The answer is "Respect and quardianship"
Here are the answers to the given sentences above:-No one answered the ad but me. It is used as PREPOSITION.-There is but one choice to make in this case. It is used as an ADVERB.-Sadie said she would go but she had to bring her sister. It is used as a CONJUNCTION
C) The book what I bought is full of pictures of animals.
