D. it clearly connects ideas
Parallelism is when the same grammatical or sentence structure is used for a list of ideas or items. By using a similar grammatical structure the reader's brain automatically makes a connection between the ideas because of the similar structure. Caesar's famous line "I came. I saw. I conquered." is an example of parallelism. Each of the sentences has the format subject-past tense verb.
to mess with an opponents thing. I.e. I am in a science fair and i go unplug my opponent's science project. that is sabotage
jem is shocked when the jury says that Tom Robinson is guilty. He had thought Atticus had surely won the trial for Tom.
A subordinate clause must be combined with an independent clause to end to be a complete sentence