Definition: You are given a question on college chemistry. You are also given 4 answer options (associated with "A", "B", "C", "D"), out of which only one is correct. You need to answer the question by selecting the correct option. You should only answer with the choice letter, not the whole answer.
Input: 23Na has an NMR frequency of 198.52 MHz in a 750 MHz NMR spectrometer. What is its magnetogyric ratio?
(A)101.1 x 10^7 T-1 s-1 (B)26.75 x 10^7 T-1 s-1 (C)7.081 x 10^7 T-1 s-1 (D)0.9377 x 10^7 T-1 s-1

C