The best revision of this sentence is the following:
The lawyer presented a clear argument to the jury (it was unbelievable how influenced they were by his case) in the hopes of winning the trial.
A pair of parentheses needs to be used in order to separate this information from the rest of the sentence and facilitate reading and comprehension. The information in the parentheses is related to the meaning of the sentence but in some way it interrupts the flow, so a pair of parentheses is necessary in order to indicate this.
Answer: E: When she lost her husband and four children in a single week, she took control of her life by moving to Chicago to become a dressmaker to support herself.
Explanation: This most clearly demonstrates determination. You may be tempted to choose answer D, but that most clearly demonstrates bravery, not determination.
B is correct "A social commentator, who explains what a book says about people in general."
