my parents --at home on weekends Aare all B.are both C.all are D.both are

问题描述:

my parents --at home on weekends Aare all B.are both C.all are D.both are

my parents B.are both at home on weekends

my parents 【are both】at home on weekends Aare all
B.are both C.all are D.both are
选择A

B
parents 父母亲( 两个人) ,排除A C ,而BOTH 要放在BE动词后,再排除D
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