问题

eyland,everyyear,some800,000plantsarereplacedbecauseDisneyrefusedto________signsaskinghis“guests”nottosteponthem
A:where; that; which
B:that; that; that
C:that; when; which
D:where; when; that
B:that; that; that
C:that; when; which
D:where; when; that
正确答案是: