नीचे दिए गए वाक्य के उस भाग की पहचान करें जिसमें संज्ञा के वचन (noun number usage) के उपयोग में त्रुटि है: 'She wore (A) / a pair of glass (B) / to read the tiny prints (C) / on the document. (D)'

Identify which part of the sentence has an error: These kind of trousers/ (A) are rather/ (B) expensive to buy./ (C) No error (D)

Find the part of the sentence that has a grammatical error: 'The citizens of the area longed on rain, which is natural when it is so terribly dry year-round.'