The engineer buries himself in work all day long and has no time for some outdoor activities, __________ he has the interest.
#67547
A
as if
B
even if
C
so long as
D
now that
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     the sentence , so he asked the teacher to explain it again.
#67881
A
Not having understood
B
As he didn’t understand
C
Having not understood
D
He didn’t understand