In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D".
Q: [header] How to reduce electronic waste [title] Reconsider upgrading your cell phone every year. [step] Many mobile phone carriers offer incentives to purchase new devices or offer early upgrades to get you to spend more money. Sure, getting the latest hi-tech phone would be nice, but if your current device still works, there may be no need to upgrade. <sep> (A) Turning in new batteries will save you a lot of money in the long run. [title] Read the maintenance information that comes with a phone. (B) [substeps] Online devices can save some money if you can simply buy new accessories or walk more distances for half of your bill. An update or backup phone will dramatically lower your monthly payments. (C) Contact your phone company (such as equifax) to see if they offer the option. [title] Call companies that incorporate smartphones into your plan. (D) [substeps] Consider keeping it for another year, or as long as it lasts you. [title] Avoid the temptation to buy a new device just because it's cheap.
A:
D