According to Mr. White, the things to do to prepare one memory do not include ______.

A．Non-invasive scanners, teleconferencing and Internet will become the only tools in diagnostics.
B．People can recover from their diseases by changing their lifestyle.
C．Fatal diseases brought by genetic anomalies can be avoided by using biochips.
D．Individual adverse reactions to certain drugs are predetermined by genes.

A．18,000
B．180,000
C．188,000
D．1800