Even though very small amounts of each vitamin are enough for the needs of the body, the worry people have about vitamins has some reasons. And this has to do with their __1_     --- the food they take in. A person eating a good variety of food get all the vitamins now __2  ___ (know) to be needed.

The problem is that there are many people who don’t ___3_  __ foods wisely. So the answer ___4  ___ this question is: No extra ___5_ __ are needed, ___6   __ you eat proper foods. In fact, many of the vitamins cannot be ___7_ __（store） in the body, so when extra vitamins are taken in, the body simply gets rid of them. It is even ___8   ___ (harm) to put too much of certain vitamins into the body. This has been found to be ___9       (truth) of vitamin A and D, when ___10    ___ amounts are taken in.

下面符合我国《公司法》规定的有关股份有限公司股份转让的叙述是( )。

A．公司可以接受本公司股票作为抵押权的标的

B．公司任何情况下，都不得收购本公司股票

C．国家授权投资机构可以依法转让其持有的股份，也可以购买其他股东持有的股份

D．记名股票转让时，必须由股票持有人以背书方式转让