Answer is B because it does not include an opinion or paraphrase, but gives all necessary details of the passage
No it’s not, if you read it aloud it doesn’t make sense !!!
The reason a teenagers emotions change so much is due to their body growing and is close to completely maturing resulting in a rise in hormones which take time for the body to adjust to. To follow this, many teenagers suffer from anxiety and depression which also result in mood swings etc.
D, you can substitute the definition in for the word:Our gourmet bread was a wonderful (something that fills up, completes, or makes perfect) to the delicious cheese.