请在下面几个相同含义的句子中,选择出你认为是formal expression的句子:
选项:
A:There are some studies that have concluded that bamboo could be used by builders more widely than it is now as a construction material.;
B:Some studies have concluded that bamboo could be more widely used than it is now as a construction material. ;
C:Bamboo could be used by builders more widely than it is now as a construction material is concluded by some studies.;
D:According to a number of recent studies, it is feasible to increase the use of bamboo in the construction industry
发布时间:2024-05-25 00:01:00