Which sentence does not contain any errors in the use of italics or quotation marks?

a. lieutenant smith spent a year aboard the aircraft carrier "uss dwight d. eisenhower."
b. lieutenant smith spent a year aboard the aircraft carrier uss dwight d. eisenhower. (uss dwight d. eisenhower italicized)
c. lieutenant smith spent a year aboard the aircraft carrier "uss dwight d. eisenhower." (stuff in quotations are italiziced)
d. lieutenant smith spent a year aboard the aircraft carrier uss dwight d. eisenhower.