____ his old age, he still went to his office on foot every day

____ his old age, he still went to his office on foot every day.
A、Because of
B、In spite of
C、Though
D、Despite of
【正确答案】：B
【题目解析】：_Because of 因为；In spite of 尽管；Though 虽然（一般放句中，不放句首）；Despite of 现在语法不用这种表达；句意：_____上了年纪，他仍然每天步行去办公室。因此根据题意B符合题意，虽然上了年纪。