A.<a-input placeholder="总金额"defaultValue="0.00"><span slot="addonBefore">¥</span><span slot="addonAfter">元</span></a-input>
B.<a-input placeholder="总金额"defaultValue="0.00"><span slot="addonAfter">¥</span><span slot="addonBefore">元</span></a-input>
C.<a-input placeholder="总金额"defaultValue="0.00"><span slot="addonBefore"slot="addonAfter">¥元</span></a-input>
D.以上都不对