【单选题】
What is the main problem caused by the usual way of plowing
A、The crop’s blooming period is delayeD、
B、The roots of crops are cut off.
C、The topsoil is seriously damageD、D、The growth of weeds is accelerateD、
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根据网考网移动考试中心的统计,该试题:
3%的考友选择了A选项
39%的考友选择了B选项
55%的考友选择了C选项
3%的考友选择了D选项