[单项选择]A. Becoming young by getting a new heart.
B. The effect of genetics on the heart.
C. The twin brothers who received heart transplants.
D. The danger of heart transplant surgery.

For most companies today, getting into new markets with better, cheaper products, whether through an expansion or a new facility, is the sole objective. But (1) that, and doing it profitably means (2) and foremost knowing you will find the workforce.
The current nearly eight-year-long economic (3) has sent unemployment levels in the U.S. to (4) lows. Indeed, according to a recent study, some 80 percent of metropolitan areas today have unemployment rates (5) 6 percent; communities with highly skilled workers are hovering in the 2 to 4 percent range. Also (6) for that labor are foreign companies that have been operating here and want to expand.
(7) so many companies chasing the workforce, the (8) are high. The most important issue facing corporations is the (9) of qualified, entry-level labor at (10) wage rates.
But getting large groups of existing employees to (11)
A. first
B. initially
C. originally
D. ahead