单选题 According to the passage, Turner, Becker, and Jameson have done which of the following?
Ⅰ. They failed to acknowledge the colonists' desire to affirm the existing order as a principle motive behind the American Revolution.
Ⅱ. They have emphasized, but not sufficiently, the concept of the American Revolution as a genuine revolution.
Ⅲ. As a group they have failed to reach agreement on the root causes of the American Revolution.

• (A) Ⅰ only
• (B) Ⅱ only
• (C) Ⅰ and Ⅱ only
• (D) Ⅱ and Ⅲ only
• (E) Ⅰ,Ⅱ, and Ⅲ