A) varied
Varied/variety means there's many, which is said in the next sentence.
A simile is used to compare her voice to a "cool, dark room in summer- peaceful, soothing, quiet". This helps let readers know that she is most likely very nurturing, caring, and a definite "motherly figure"
I have personally read this book before and when Ella finds the perfect gift for Jim she is very happy until she realizes that she cannot Alford it
C, the group was founded and worked in Greece.