Which of these sentences uses punctuation correctly? a. automotive technology courses are described and cover "work orders, advanced vehicle systems . . and collision repair" (nu bulletin 38). b. she continued her idea by stating that the rules "have now been replaced with less focus on traditional gender roles." (phillips 29). c. baysmith insisted "however" that the focus of the research centered on detailed investigation of citizen rights (deerfield 20). d. according to lehman, "infected landscape trees and shrubs can be controlled [with identification of the disease, forster 12].