Directions: Choose the combination that creates a grammatically and contextually coherent sentence.

A. The project progressed smoothly without any major hiccups	i. not to mention	D. the added stress of last-minute changes in the schedule.
B. The conference required exhaustive preparation	ii. in consequence	E. she persevered with unwavering determination to achieve her goals.
C. The initial experiment yielded inconclusive results	iii. ergo	F. the overall message of the artwork remained enigmatic.