Reading between the lines, I should say the scientists are disappointed for the outcome of the research project, though they will not openly admit it.

关于个人贷款的贷后管理，下列说法错误的是( )。

A．贷款人应定期跟踪分析评估借款人履行借款合同约定内容的情况
B．经贷款人同意，个人贷款可以展期
C．一年以上的个人贷款，展期期限累计不得超过原贷款期限
D．对于未按照借款合同约定偿还的贷款，贷款人应采取措施进行清收或者协议重组