Though he was born of a rich family Tom left home at the age of 15 to make his own liv

问题补充：

Though he was born of a rich family, Tom left home at the age of 15, to make his own living.

A. determining

B. determined

C. being determined

D. having determined

答案：

A. determining

(答案→)B. determined

C. being determined

D. having determined

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