In brainstorming（ ）
选项：

A:individuals work in a large group to select a single optimal solution.
B:all solutions are judged and critiqued as they are recorded, and a weighted-average percentage is assigned to each solution.
C:parties are urged to be spontaneous and even impractical.
D:the success of the approach depends on the item-by-item evaluation and critique of the solutions as presented.
E:None of the above is a part of the brainstorming process.