4. To enhance user experience, the company chose to ______ the new customer feedback system seamlessly into their mobile app interface.
(A) separate
(B) integrate
(C) mismatch
(D) disjoin
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統計: A(0), B(10), C(0), D(0), E(0) #3442572
統計: A(0), B(10), C(0), D(0), E(0) #3442572