Citing always depends of the specific form one wants to use- the general rule is give all your references the same format. But in this case, if the article in on the Internet, then the first two are not proper, it is the Web version. From the last two, the second is better (so answer D), as you need to put the title into quotation marks.
After 1945, the government green-lighted commercial production, and carmakers debuted their 1946 models to a public that was eager to get back on the road. Borrowing some of the design trends of warplanes, the post-war cars introduced massive tail fins and large expanses of chrome.
Answer:
Violence for what ?? slavery, racism??
Answer: He died.
Explanation: He got shot in the head by John Wilkes Booth while watching a play.
Answer: Outbreak in west africa was the largest and mosy complex Ebola outbreak since the virus was first discovered in 1976.
Explanation: