单项选择题
A.Path B.Drive C.Dir D.Pattern
A.2 0 00 4 00 0 6 B.2 0 404 04 0 6 C.2 3 03 4 00 0 6 D.2 0 00 4 50 5 6
A.”text(.txt)|(*.txt)” B.”文本文件(.txt) | (.txt)” C.”text(.txt) | | (*.txt)” D.”text(.txt)(*.txt)”