According to MLC,the minimum hours of rest shall not be less than 10 hours in any 24-hour period,and（）hours in any seven-day period.<br>A:70<br>B:72<br>C:75<br>D:77

According to MLC,the minimum hours of rest shall not be less than 10 hours in any 24-hour period,and（）hours in any seven-day period.
A:70
B:72
C:75
D:77

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