Which of the Following Statements About¹³C NMR Isnot True

Which of the following statements about¹³C NMR isnot true?

A) In¹³C proton-decoupled NMR spectra, all peaks are singlets.
B) ¹³C NMR easily differentiates between the different hybridized carbons (sp³,sp², andsp hybridized carbons) .
C) ¹³C NMR chemical shifts occur over a greater range than¹H NMR chemical shifts.
D) ¹³C NMR spectra display peaks for only carbons that bear hydrogen atoms.