填空题
A——continue execution B——check all files
C——read only D——remove both keys
E——allow network access F——set name
G——enter new time H——select date
I——go directly to disk and special function J——choose an option
K——recover file L——delete files
M——press ESC to exit N——type A: my file
O——insert new disk P——copy another disk
Q——change password R——find a "string\