【单选题】
The legend/symbol which designates an occluded front is represented by a（）.
A、red line
B、purple line
C、blue line
D、dashed blue line
查看正确答案
A、<；stock：quote&ensp；symbol="；SUNW"；&ensp；/>；${var} B、${var}.&ensp；<；stock：quote&ensp；symbol="；SUNW"；&ensp；/>； C、<；stock：quote&ensp；symbol="；SUNW"；>；.&ensp；${var}.&ensp；<；/stock：quote>； D、<；stock：quote&ensp；symbol="；SUNW"；&ensp；var="；quote"；&ensp；/>；${quote}
