With no explanation, chose the best option from "A", "B", "C" or "D". a work-related injury, taking into account such factors as age, education, training, and mental capacity." Id. at 574; see also Norton v. Industrial Comm'n, 728 P.2d 1025, 1027 (Utah 1986) (per curiam) (listing "age, sex, education, economic and social environment, ... [and] permanent impairment" as factors to be weighed (internal quotation marks omitted)). 120 The fact that an employee returned to work for some period of time following his industrial injury does not automatically preclude him from claiming permanent total disability benefits at a later date if he continues to suffer substantial pain throughout the period of his continued employment or if his industrial injury worsens to the point that he is no longer able to maintain regular employment. See Norton, 728 P.2d at 1027-28 (<HOLDING>). See generally Hoskings v. Industrial Comm'n,

A: holding that a totally disabled claimant whose preexisting osteoarthritis was temporarily aggravated by her employment was entitled to temporary total disability benefits but not permanent total disability benefits because there was no causal connection between the temporary aggravation and the permanent disability
B: holding that an employee who returned to work for six years following his workrelated injury could nevertheless obtain permanent total disability benefits and observing that it may be years before the effect of an injury is felt
C: holding that disability pension benefits could be offset against both temporary and total permanent disability compensation benefits
D: holding that workers compensation statutes do not prohibit claimant from receiving permanent partial disability benefits from prior accident concurrently with temporary total disability benefits from subsequent injury
B.