In the first paragraph the author wants to say that ______. A: just as scientists can dissect a frog, so analysts can dissect humor B: detailed, scientific analysis is not appropriate for humor, for it may make humor lose its aesthetic value C: some people' s analysis of humor are too scientific D: analysts' attempts at humor are not instructive enough to interest the author

logstshfilter中用于对字段作处理，比如重命名、删除、替换的是（） A: dissect B: mutate C: geoip D: ruby