Tamber Benz, CFA, recently joined Bay Area Investment Group as a personal financial planner. Today, she has a meeting with a client interested in equity index funds, with a particular interest in learning about the source and direction of biases. In preparation for this meeting, she makes some quick notes (relying on her memory). These notes are listed below. She then finds her well-worn CFA study notes and checks her memory. After reviewing her notes, which of the following choices does she determine is least accurate（）

A. An index such as the Valueline Composite Average is constructed by purchasing an equal number of shares of each stock in the index, and will have a downward bias when geometric averaging is used to compute the return.

B. One problem with an index such as the S&P 500 is that firms with greater market capitalization have more impact than other firms.

C. A market value-weighted index, such as the New York Stock Exchange Index, accurately reflects the impact of price changes on wealth.

如图甲表示细胞分裂的不同时期与每条染色体DNA含量变化的关系，图乙表示处于细胞有丝分裂某个时期的细胞图像。下列说法中正确的是（）

A.图甲中AB段形成的原因是DNA分子复制

B.图甲中DE段可表示有丝分裂后期

C.图乙中细胞处于图甲中的BC段

D.图乙中细胞含8条染色体、8个DNA分子，2个染色体组