89.
The answer is: B
Explanation
The correct option is B: 30.
According to Rule 1 of Order VIII of the Code of Civil Procedure, the defendant shall, within thirty days from the date of service of summons on him, present a written statement of his defence. This rule was substituted by Act No. 22 of 2002, section 9 (w.e.f. 1-7-2002). The purpose of this rule is to expedite the disposal of civil suits and avoid unnecessary delays.