题目内容：
根据以下资料，回答题。
A He says there is emerging evidence that children absorb low-level radiation at rate more than three times that of adults.
B By the year 2004 it is estimated that Australia will have 8 million mobile phones: nearly one for every two people.
C "If mobile phones are found to be dangerous， they should carry a warning label until proper shields can be devised，" he said.
D Then who finances the research?
E For example， Telstra， Optus and Vodaphone build their towers where it is geographically suitable to them and disregard the need of the community.
F The conclusion is that mobile phones brings more harm than benefit.
请在第（46）处填上最佳答案。
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