Mary was really thrilled with the recent decrease in the cost of electronic items

A. Mary was so interested in the recent cost of electronic items that she decided to buy herself a new CD player immediately. 

B. It was really thrilling for Mary to be able to buy her first CD player after so many years of high prices for electronic items.

C. Mary, who had just purchased a new CD player at a low price, was so thrilled that she got a few other electronic items as well. 

D. Mary purchased a new CD player due to the fact that the drop in electronic goods’ price really excited her.