【問題 4 】
"次の英文は、ある国際会議の参加条件書（抜粋）である。以下の内容に合致しているものだけをすべて選んでいるものはどれか。
Conference registration：Only fully completed registration forms will be accepted. An invoice will be sent after the receipt of your registration, and a confirmation of payment will be sent upon receipt of payment in full. If the full payment has not been received before the deadline indicated,the registration will remain valid, however the due fee will be increased according to the payment period.
Registration confirmation and receipt：A registration confirmation and receipt will be sent by email, after the online registration, a related payment and any necessary documents have been received by the registration department.
Delegates may be requested to present this registration confirmation and receipt at the registration counter as proof of their registration and payment.
Methods of payment：Payments should be made in advance and in EUR only, using a credit card or by bank transfer.
All bank fees and money transfer costs must be paid by the transmitter. Any negative balance will be collected �� . Indicate the registration number and the delegateʼs full name as a reference on all bank transfer.
（ア）会議参加者は、参加登録と支払いが完了している証明として、登録カウンターで登録確認書と領収書の提示を求められるばあいがある。
（イ）指定の期日までの登録料等の支払い通貨はユーロのみで、クレジットカードまたは銀行送金で行わなければならない。
（ウ）指定の期日までに登録料の全額を支払わなかった場合、登録は抹消される。
