Give the gamma emission products of the metastable state of protactinium (Pa-234m). 

• A. ²³⁴₉₀Th and ⁰₁γ
• B. ²³³₉₁Pa and ¹₀γ
• C. ²³⁵₉₁Pa and ⁻¹₀γ
• D. ²³⁴₉₁Pa and ⁰₀γ

Answer: (D)