The court will only strike out a claim if it is satisfied that there are no reasonable grounds for bringing the claim. This ensures that cases without merit are dismissed early, saving time and resources for both the court and the parties involved. Option A is incorrect because the court does not automatically strike out a claim upon the filing of an application. Option C is misleading as the court considers the substance of the application, not just the timing of the response. Option D is partially correct but not comprehensive enough to be the best answer; the court primarily assesses the claim's merit. Option E is incorrect because a full hearing is not always required for strike-out applications; the court may decide based on written submissions. 

Key Point: This question assesses knowledge of civil procedure rules regarding strike-out applications in the context of civil litigation, highlighting the conditions under which a court may strike out a claim for disclosing no reasonable grounds.