it rEmAins ______ thAt A mErgEr will inCrEAsE proFitABility in thE mEDium tErm BECAusE oF thE high Cost oF rEDunDAnCy pACkAgEs.
A．DouBt
B．DouBtED
C．DouBtFul
D．DouBtFully