Which sentence is punctuated correctly?

a.
they said, "we are really looking forward to our trip to england"!

b.
"definitely" said his father with a smile.

c.
"the river thames," he explained, "is spanned by the famous tower bridge."

d.
"will we visit the tower of london as well"? asked brandon.

Does anyone know the answer to the question?

Look up the information for as many of these sources aspossible and write the works cited entry for each one. (you may make up dates and editions where necessary for the purposes of this exercise.)1. mark twain’s  the mysterious stranger2. a dictionary entry for the word  castigation  from  merriam-webster  (any edition)3. an article in  cosmopolitan  magazine by jennifer grant called “all you need to know”4. an encyclopedia entry for the name “geraldine ferraro” from  world book encyclopedia5. a website article titled “welcome to oz” with no listed author or publisher and no corporate affiliation

Apply the ideas of the plain language movement to make the paragraph under "before" in section i more user-friendly.