问题详情

Man: Marilyn seems happy with her grades. Woman: Happy？ She could hardly contain herself. Question: What does the man say about Marilyn？
A．She constructed a proper container.
B．She thought it was hard to do the grading.
C．She pretended she was happy.
D．She was extremely happy.请帮忙给出正确答案和分析，谢谢！