data: {
    ask: [],
  },

// 答案D
answerDInput: function (e) {
    let value = e.detail.value
    let asks = []
    let askItem = {
      D: value,
      isCheck: false
    }
    asks.push(askItem)
    this.data.ask.push(...asks)
    this.setData({
      ask: this.data.ask
    })
    console.log(asks)
    console.log(this.data.ask)
},