Ending the adjectives with -ed is not needed, so those answers are out. As for the numbers, the rule is usually that numbers one through nine are spelled out whereas number 10 and up are written in numbers. That said, you do not hyphenate the number with the word, so four-letter word would be correct.
Willy was a main character in the play/book "Death of a Salesman." Out of the following choices, a good career choice for Willow based on the first act would of been a carpenter. The answer would be B.
There is a metaphor in B) She offered him a hundred-watt smile.
A metaphor is used to compare two unlikely things without using the words, like or as. Here, the woman's bright smile is being compared to a light bulb!
Charles Dickens was sent to a shoe-polishing factory