Read the following statement:

"Being asked to summarize a source is a common task in many types of writing. It can also seem like a straightforward task: simply restate, in shorter form, what the source says. A lot of advanced skills are hidden in this seemingly simple assignment, however."

An effective summary does the following (choose all that apply):

A. Reflects your personal opinion about the source
B. Reflects your accurate understanding of a source's thesis or purpose
C. Demonstrates your ability to identify key phrases to quote
D. Demonstrates your ability to effectively paraphrase most of the source's ideas