She always says the heavy traffic often makes her being late, but ________, it is because she often

She always says the heavy traffic often makes her being late, but ________, it is because she often gets up late．

A.actually

B.exactly

C.indeed

D.optimally

答案及解析： A

解析：

but表示转折，接着讲她迟到的实际原因，actually是“实际上，事实上”的意思。