Which of the following institutions has its assets invested mainly in long-term securities？
A. Commercial bank
B. Pension fund
C. Property and casualty insurance company
D. Both B and C
基金托管人的债权人可以对托管人托管的基金资产行使请求冻结、扣押和其他权利。()
A. 正确
B. 错误
A．When they learnt how to keep animals in herds.B．When they had to go about from place
A. When they learnt how to keep animals in herds.
B. When they had to go about from place to place for food.
C. Before they learnt how to plant crops.
D. When they finally learnt the art of farming.
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