再问prep－86～～～～～～～～～～～～～～～～～～～～～～～～～

henry1126

An international team of astronomersworking at telescopes in the Canary Islands and Spain has detected at least 18huge gas spheres estimated to have 5 to 15 times the mass of Jupiter, thesolar system's largest planet.

(A) astronomers working attelescopes in the Canary Islands and Spain has detected at least 18 huge gasspheres estimated to have 5 to 15 times the mass of Jupiter

(B) astronomers working attelescopes in the Canary Islands and Spain has detected at least 18 huge gasspheres estimated to be 5 to 15 times Jupiter's mass

(C) astronomers is working attelescopes in the Canary Islands and Spain, having detected at least 18 hugegas spheres that are estimated at 5 to 15 times the mass of Jupiter

(D) astronomers, working attelescopes in the Canary Islands and Spain, and has detected at least 18 hugegas spheres estimated at 5 to 15 times the mass of Jupiter

(E) astronomers, working attelescopes in the Canary Islands and Spain, has detected at least 18 huge gasspheres they have estimated to be 5 to 15 times Jupiter's mass

Ans：A

答案无异议。

请问B中除了最后mass的错误外还有别的错误吗？

prep上说比较结构不对应。。。实在没看出来哪里不对应。。。。

请NN赐教～～～～谢谢！！！！

henry1126

自己顶！！！！！