下面哪一项不是心脏粘液瘤的表现
A.心绞痛
B.贫血和血小板计数偏高
C.血浆蛋白异常及电泳改变
D.抗凝血酶Ⅲ低和肝素耐药
E.血沉快
参考答案：B
已知线段AB=1，C是线段AB上一点，且BC是AC与AB的比例中项，那么线段BC的长等于______．
They talked about the persons and things ______ they remembered at school. [ ]
A. which
B. who
C. that
D. whom
