_________ she doesn’t do well in her study, she is friendly to others.   [ ]

A. Because of

B. Even though

C. Thanks to

[描摹选项]对话框中的“阈值”选项用于指定从原始图像生成黑白描摹结果的值，所有比该值亮的像素会转换为______ ，比该值暗的像素则转换为______。