Answer: A) Incorrect use of a modifier.
Explanation for this question is being written.
Answer: C) Causing
Answer: D) Sinking
Answer: C) Feeling
Answer: B) It becomes a dangling modifier.
Answer: B) Worrying
Answer: C) Practiced
Answer: B) Dangling
Answer: B) Having forgotten the password, I could not unlock the computer.
Answer: C) Using them.
Answer: A) It results in a confusing subject. (We're not sure what the subject is).
Answer: B) It contains a dangling modifier.
Answer: B) False
Answer: A) Dangling
Answer: A) Annoying
Answer: B) Incorrect
Answer: B) Decided
Answer: C) Flying over the city, we saw the beautiful birds.
Answer: C) Dangling modifier.
Answer: C) Arming
Answer: A) Having finished the assignment, he turned on the TV.
Answer: B) It has a dangling participle.