In what view are you likely to see the following output?()   SID SERIAL# EVENT SECONDS_IN_WAIT  121 269 RMAN backup & recovery I/O 2  129 415 SQL*Net message from client 63 130 270 SQL*Net message from client  
A: V$SESSION_EVENT
B: V$SESSION
C: V$WAITS
D: V$WAITSTAT
E: V$SYSSTAT
出自:Oracle认证