Definition: In this task, you're given an article, a question which often contains a blank and four options (associated with "A", "B", "C", "D"). Your task is to find the correct answer (from the given options) for the question from the given article and return one of the options from "A", "B", "C", and "D". Do not generate anything else apart from one of the following characters: "A", "B", "C", "D". There is only one correct answer for each question.
Input: Article: In the next few years, battery technology is going to grow rapidly. No more charging your smart phone every day... No more "range anxiety" for electric cars, as new lithium batteries allow them to drive hundreds of miles on a single charge, just like a tank of gas. And a tiny Chinese company is to be the leader of it all. It already counts Motorola, Nokia, and Samsung as customers for its advanced batteries. But the real money is going to come when it starts selling electric cars. Right now, the stock is trading at an extreme discount, offering in-the-know investors a chance to get in and _ . You need to know all the details about this opportunity today -- and not a day later. To do that, and to gain access to all the information you'll need to invest confidently, simply sign up for the free e-Letter from Energy & Capital by entering your email address below... Once you do, we'll rush you our latest report, China's $2.00 Lithium Linchpin. After getting your report, you'll begin receiving the Energy & Capital e-Letter, delivered to your inbox daily. Become a member of Energy & Capital today. It is free and there is absolutely no obligation , ever. NO-JUNK: By no means will we EVER rent, sell or give away your email address for any reason. Unsubscribing from Energy & Capital is quick, easy, and painless... with just a few clicks. View our Privacy Policy.
Question: What is the possible problem with online subscribing?
Options: (A) The giving-away of privacy. (B) Getting lots of junk emails. (C) Becoming a member of some organization unwillingly. (D) Not being able to unsubscribe.
Output:
A