The significant number of overtime and weekend hours accumulated by ma

The significant number of overtime and weekend hours accumulated by many employees in order to compensate for overly optimistic deadlines lend validity to the observation that many of the firm's top managers still pine for the era of the six-day work week.


A. lend validity to the observation that many of the firm's top managers still pine for the era of the six-day work week

B. lends validity to the observation of many of the firm's top managers' still pining for the era of the six-day work week

C. lends validity to the observation of many of the firm's top managers, still pining for the six-day work week era

D. lend it validity to observe that many of the firm's top managers still pine for the era of the six-day work week

E. lends validity to the observation that many of the firm's top managers still pine for the era of the six-day work week