Select the most appropriate option to substitute the underlined segment in the given sentence. If there is no need to substitute it, select ‘No substitution required’.The train was delayed in order to an accident.

Select the most appropriate option to substitute the underlined segmen

1.	Select the most appropriate option to substitute the underlined segment in the given sentence. If there is no need to substitute it, select ‘No substitution required’.The train was delayed in order to an accident.
A.	because
B.	since
C.	owing to
D.	No substitution required
Answer» D. No substitution required