乳腺良性肿瘤的钙化特点中错误的是（）
A.钙化粗细不均
B.钙化多较粗大
C.钙化密度较高
D.钙化比较分散
E.可呈条状、新月状或环状
参考答案：A
A fire broke out in the building at about 7 on Tuesday morning, _____ in the death of a young girl.
A．having resulted
B．resulted
C．being resulted
D．resulting
All of the guests ________ by 9 o'clock, but the host ________ until 15 minutes later.[ ]
A. arrived; didn't show up
B. had arrived; didn't show up
C. arrived; hadn't turned up
D. had arrived; hadn't turned up
