whichoneofthefollowingstatementswouldleeincludeinanagenttolimitthedocumentsprocessedbytheagenttothoseforwhichthevalueofthetypefieldisaction?()

whichoneofthefollowingstatementswouldleeincludeinanagenttolimitthedocumentsprocessedbytheagenttothoseforwhichthevalueofthetypefieldis"action"？（）

A、FIELDType:="action"

B、SELECTType="action"

C、SELECTType:="action"

D、@if(type="action";@success;@failure)