(5) The Miller indices h, k, and l of parallel planes in a BCC lattice should satisfy which of the following X-ray diffraction reflection rules?
(A) h + k + l should be even,
(B) h, k, and l should all be either even or odd,
(C) h, k, and l should form Pythagoras triplet,
(D) all planes allow reflections.

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統計： A(1), B(0), C(0), D(0), E(0) #2796231