f(x)=e∣x∣ is the composition of continuous functions, so continuous everywhere on R.
But ∣x∣ is not differentiable at x=0 (left derivative =−1, right derivative =1), so e∣x∣ inherits this non-differentiability at 0.
Hence (a) continuous everywhere and (d) not differentiable at x=0 are correct.