[单项选择]An elderly carpenter was ready to retire. He told his employer of his plans to (26) the house-building business to live a more (27) life with his wife and enjoy his (28) family. He would miss the paycheck (工资) each week, but he wanted to retire. They could (29) The employer was (30) to see his good worker go and asked if he could build just one more house as a personal favor. The carpenter said yes, (31) over time it was easy to see that his heart was not in his work. He used bad workmanship and (32) materials. It was an unfortunate way to (33) a dedicated (献身的) career.
When the carpenter finished his work, his employer came to (34) the house. Then he handed the front-door (35) to the carpenter and said, "This is your house—my (36) to you." The carpenter was shocked! What a (37) !If he had only known he was building his own house, he would have done it all so differently.
A. but
B. while
C. which
D. before