英语翻译The findings may come as a surprise given “that” shopping online is an anonymous process that seemingly can give consumers more confidence to drive a hard bargain.还请问第一个“that”的先行词是谁?那是个什么句子,请帮忙分析一下句子成分,

英语翻译
The findings may come as a surprise given “that” shopping online is an anonymous process that seemingly can give consumers more confidence to drive a hard bargain.
还请问第一个“that”的先行词是谁?那是个什么句子,请帮忙分析一下句子成分,