Where Would One Expect to Find the ¹H NMR Signal

Multiple Choice

Where would one expect to find the ¹H NMR signal for the carboxyl group's hydrogen in propanoic acid?

A) δ 4.1 - 5.6 ppm
B) δ 10 - 13 ppm
C) δ 8 - 9 ppm
D) δ 6.1 - 7.8 ppm
E) δ 9.5 - 10 ppm