A Compound X Has a Formula C₇H₁₆O₄ and the Following $\delta$

A compound X has a formula C₇H₁₆O₄ and the following NMR spectrum, given as chemical shift (integral, splitting, coupling constant) .
$\delta$ 1.93 (2H, t, J = 6 Hz) ; $\delta$ 3.35 (12H, s) ; $\delta$ 4.49 (2H, t, J = 6 Hz)
Which structure is consistent with this NMR spectrum?

A) compound A
B) compound B
C) compound C
D) compound D
E) compound E
F) compound F
G) compound G