verbal分册里 关于suggest

cuson

Though the term "graphic design" may suggest laying out corporate brochures and annual reports, they have come to signify widely ranging work, from package designs and company logotypes to signs, book jackets, computer graphics, and film titles.

A. suggest laying out corporate brochures and annual reports, they have come to signify widely ranging
B. suggest laying out corporate brochures and annual reports, it has come to signify a wide range of
C. suggest corporate brochure and annual report layout, it has signified widely ranging
D. have suggested corporate brochure and annual report layout, it has signified a wide range of
E. have suggested laying out corporate brochures and annual reports, they have come to signify widely ranging
正确答案-B
这里suggest doing 没有问题吧？it has come to signify a wide range of work 与 it has signified widely ranging哪个对或者简洁？