利用PubMed的基本检索查找colorectal cancer的文献，检索时如果必须限定在主题词字段，错误的检索式是哪一个？（） A: colorectal cancer[mh] B: colorectal cancer[majr] C: "colorectal neoplasms" [mh] D: colorectal cancer[majr] E: colorectal neoplasms[all fields]

以下标题意思相近，其中信息含量最丰富且最符合论文标题一般要求的科技论文标题是哪一个？ A: NCAM regulates epithelial-mesenchymal transition of colorectal cancer cells B: Promotion of epithelial-mesenchymal transition of colorectal cancer cells by NCAM C: NCAM promotes epithelial-mesenchymal transition of colorectal cancer cells D: Effect of NCAM on epithelial-mesenchymal transition of colorectal cancer cells