{
"exam": {
"singleList": [{
"context": "定期保证金支持（）开户。",
"enable": "Y",
"id": "707da01f0f0b44e4aa3cdc794adde48c",
"itemContent": [{
"createDate": 1667920806000,
"enable": "Y",
"id": "05f261c58d5344b9a3785146deb4731c",
"isAnswer": "N",
"itemText": "以上均不可",
"letter": "A",
"letterItemText": "A、以上均不可",
"questionsID": "707da01f0f0b44e4aa3cdc794adde48c",
"sort": ""
}, {
"createDate": 1667920806000,
"enable": "Y",
"id": "ac0c1c8f2a7049699bf28d559bdd239d",
"isAnswer": "Y",
"itemText": "非零余额",
"letter": "B",
"letterItemText": "B、非零余额",
"questionsID": "707da01f0f0b44e4aa3cdc794adde48c",
"sort": ""
}, {
"createDate": 1667920806000,
"enable": "Y",
"id": "e835853febe44de7b486d57ae57c7dcb",
"isAnswer": "N",
"itemText": "非零余额和零余额",
"letter": "C",
"letterItemText": "C、非零余额和零余额",
"questionsID": "707da01f0f0b44e4aa3cdc794adde48c",
"sort": ""
}, {
"createDate": 1667920806000,
"enable": "Y",
"id": "efb3b6ac139b455ba9809fc0848c8c3f",
"isAnswer": "N",
"itemText": " 零余额",
"letter": "D",
"letterItemText": "D、 零余额",
"questionsID": "707da01f0f0b44e4aa3cdc794adde48c",
"sort": ""
}],
"state": "Y",
"typeID": "01"
},"
只提取出来，问题和答案。