Grete Samsa, Gregor's sister, most definitely goes through a "metamorphosis" as does every member of the family. Before Gregor's change, Grete is described as a "useless" daughter. She has taken violin lessons, but she isn't very good. She doesn't leave the house often. She is timid and seemingly afraid of the world.
Answer:
If you have effectively prepared, then your nerves will be calmer as you talk boosting your confidence and helping you concentrate on delivering your message.
Claim A needs to be narrowed, it doesn't really elaborate like the other ones
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