单选题Apparently the long drought has retarded the trees' growth in this area.Aslowed down Bretained Cpropelled Dfed
单选题
Apparently the long drought has retarded the trees' growth in this area.
A
slowed down
B
retained
C
propelled
D
fed
参考解析
解析：
句意：很明显，长期干旱阻碍了这个地区树木的生长。retard减缓，阻碍。slow down减缓，使…慢下来。retain保留。propel推进，驱使。feed喂养。
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