帮忙解一下这几道语法,好么?谢谢

阿不

37.  Lacrosse, the oldest organized sport in North America, originally played by the Iroquois

                            A                         B          C

Indians throughout upper New York and lower Ontario.

           D

38.  Although most house plants are acquired already potted, they also can be grown from seeds

         A                                B

or leaf cuttings from mature plant.

      C             D

39.  The unique ability of the horseshoe crab detected bacterial endotoxins was a chance

       A                             B                       C

discovery in the 1970's at the Marine Biological Laboratory in Woods Hole, Massachusetts.

D

甜橙

37.      B  originally played 改为 was originally played。否则句子没有谓语。

38.  D  mature plant 改为 mature plants

39.  B  detected   改为 to detect