单选题
It is required that during the process, great care has to be taken to protect the（ ）silk from damage.
问题1选项
A.sensitive
B.sensible
C.tender
D.delicate
A.sensitive
B.sensible
C.tender
D.delicate
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It is required that during the process, great care has to be taken to protect the（ ）silk from damage.
