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the answer is B. let's start with the easiest statement. 2. x=0. that means 8/2 = 4 - integer. so statement 1 is sufficient. A, C, E are out right away.
now..statement 1. x is an integer. suppose x=1. 3+8=11. 1+2=3. 11/3 = non-integer.
suppose x=0 (satisfies the condition) 8/2 = 4. - integer
since statement 1 can yield two different outcomes, A is insufficient, and we can cross D.