In which case should you use a hyphen instead of a dash? a. to combine words. b. to join related thoughts. c. to indicate that speech has been interupted. d. to place extra emphasis on words inserted into a sentence,

Some one drawing water and my theater placed my hand under the spout. as the cool stream gushed over one hand she spelled into the other the word water , first slowly , then rapidly . i stood still ,my whole attention fixed upon the motions of her fingers . suddenly i felt misty consciousness as of soothing forgotten --a thrill of returning thought and somehow the mystery of language was revealed to me this passage from the stoyof my life is an wxample of which element of plotclimax action