The students is discourteous : he grumbles no matter how one tries to please him. Here 'Grumble' means ----
The students is discourteous : he grumbles no matter how one tries to please him. Here 'Grumble' means ---- Correct Answer complains
The students is discourteous : he grumbles no matter how one tries to please him. Here 'Grumble' means ---- Correct Answer complains