Analyzing the sentence, theonly adverb is <em>frequently; </em>this is an adverb of frequency, because it tells how often an activity is conducted. Regarding the other components of this sentence, Sandy cheeks seems to be the name of the person, eats carrots the verb and its complement, to improve is an infinitive of purpose, her is the possessive adjective and eyesight a noun.
While in the hospital, Lady Crawford emailed Ms. White.
Lady Crawford emailed Ms. White, who was in the hospital.
When Tidus overseas on deployment, he reported to his supervisor.
While his supervisor was overseas on deployment, Tidus reported to him.
While Sarah was on vacation, she offered to clean Maria’s apartment.
While Maria was on vacation, Sarah offered to clean her apartment.
Since Melissa lost her watch, both she and Beth were late.
Since Beth had lost Melissa’s watch, they both were late.
It is either A or D, usually if there is a random all of the above Question, it is usually All of the above.
D. If they are actually working in harmony, they should not be hiding any stress from eachother