15 若契約中之條款為〝Shipment on or about September 15 about 10,000 M/T〞，下列敘述何者較符合契約規定？ (A)裝運期間為 September 5 至 September 25；裝運數量為 9,000 M/T 至 11,000 M/T (B)裝運期間為 September 10 至 September 20；裝運數量為 9,500 M/T 至 10,500 M/T (C)裝運期間為 September 10 至 September 20；裝運數量為 9,000 M/T 至 11,000 M/T (D)裝運期間為 September 5 至 September 25；裝運數量為 9,500 M/T 至 10,500 M/T