By using the phrase "stay tuned for good news" (Line 5, Para. 3 ) the author wants us to _
By using the phrase "stay tuned for good news" (Line 5, Para. 3 ) the author wants us to ______.
A.hope that the good news won't change
B.expect more positive innovations
C.wait for the situation to change for the better
D.try and be more optimistic