一般说来，UL、RNI、EAR三项大小关系是

• A、RNI＞UL＞EAK
• B、RNI＞EAR＞UL
• C、UL＞RNI＞EAR
• D、UL＞EAR＞RNI
• E、EAR＞UL＞RNI