Final answer:
Episcopalians are not easily classified as Evangelical Christians; they are generally considered Mainline Protestants, which are more progressive and less likely to be Biblical literalists.
Step-by-step explanation:
The group that is not easily classified as Evangelical Christians among the options provided is B) Episcopalians. Evangelical Christians typically emphasize a personal relationship with Jesus Christ, a more literal interpretation of the Bible, and an active effort to spread their faith. Notable Evangelical groups include Southern Baptists, Pentecostals, and many Non-Denominational Christians, which together contribute significantly to the total number of Evangelicals. However, Episcopalians are generally considered part of Mainline Protestant Christianity, which tends to be more theologically progressive, less literalist with the Bible, and less aggressive in proselytization.