representformoccupationsolvepersuadetransmitproductiveoriginalflexibilitysecuresimpleprosperousYou can often come up with a(n) __________ to a problem by looking at it another way.
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当
标记内嵌套标记时，就可以使用后代选择器对其中的标记进行控制，下列写法正确是（ ）
A. strong p{color:red;}
B. p strong{color:red;}
C. strong,p{color:red;}
D. strong{color:red;}
