Question: Which lambda expression cannot be assigned to a DoubleToLongFunction functional interface? A. a -> null==null ? 1 : 2L B. e -> (int)(10.0*e) C. (double

Which lambda expression cannot be assigned to a DoubleToLongFunction functional interface? 

A. a -> null==null ? 1 : 2L

B. e -> (int)(10.0*e)

C. (double m) -> {long p = (long)m; return p;}

D. (Double s) -> s.longValue()

E. All of these can be assigned.

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