From July 5 to 28, a team of cyclists ________ as Bikers for the Blind will ride their bikes 1888km from Lijiang.
A.were knownB.knownC.to be knownD.knowing在线课程B
known as Bikers for the Blind为过去分词短语作定语，相当于定语从句who were known...be known as...意为“作为……而闻名；被称为”，过去分词短语表示被动含义。