20.
Declining values for farm equipment and land , the collateral against which farmers borrow to get through the harvest season , is going to force many lenders to tighten or deny credit this spring.
(D)which farmers use as collateral to borrow against to get through the harvest season, are
(E)the collateral against which farmers borrow to get through the harvest season, are
白勇老師的解釋是簡體字 加上對岸的文法專有名詞和我們不同
我看不懂解釋 想請問各位大大
D為何錯 E 為何對