Read the following paragraphs and answer the question.
That was more than a decade ago. The word remained in relative obscurity until two years ago, when “selfie” began its climb to digital star. With smartphone in hand，we can now share with others how our narcissism (自恋）looks to us. This is not just the year of the selfie; this is the age of the selfie.
Which of the following can best explain the underlined word “obscurity” ?（）
A.正确答案AThe state of being not well-known.
B.The state of being not well-defined.
C.The state of being ridiculous.
D.The state of being popular.
