T'ana is writing a research paper over which laptop is currently the best purchase for its price. She decided to compare Banana's AppBook Pro with NV's Vermillion II. Her thesis is that Banana's more expensive AppBook is the best computer because of its features. T'ana finds reviews of both laptop brands in national computer magazines from 2005. The editors agreed that the AppBook was the best computer. She also looks through online computer journals. She finds articles by expert computer researchers that were written in 2009. What is one way for T'ana to decide which is the most credible source to use? A. The journal articles were written most recently, so they are more credible. B. The journals are more credible because they are written by magazine editors. C. The magazine editors agree with T'ana's thesis, so they are more credible. D. The magazines are more credible because the journals are Internet-based.