Which of the following statements about company and stock analysis is least likely correct（）

A. A growth stock always indicates a growth company.

B. A growth company's stock can have below-average risk-adjusted returns.

C. A weak firm can experience temporary above-average risk-adjusted return.

生活在平原的人登上高原或很高的山峰时会出现高山反应，头晕目眩，胸闷气短．其原因是( )。

A．平原人身体素质差
B．高空空气稀薄，需要适应
C．水土原因
D．高原地区气压比平地高