The title with the √ before it is considered to be the better one. Decide whether the following choice is the correct one. √A. B7-H4 Most Expresses on Ki687 Negative Brain Tumor Clels and can Express on Brain Tumor Stem Cells B. B7-H4 is Preferentially Expressed in Non-dividing Brain Tumor Cells and in a Subset of Brain Tumor Stem- like Cells
A.正确
B.错误
正确答案：错误