We made plans for a visit but difficulties with the car prevented it.A. consequentB. subo

问题补充：

We made plans for a visit but difficulties with the car prevented it.

A. consequent

B. subordinate

C. substantial

D. subsequent

答案：

A. consequent

B. subordinate

C. substantial

(答案→)D. subsequent

解析：subsequent(=later, following)随后得，接着发生的：subsequent events（随后发生的事件）。consequent(作为结果)而随之发生的：His long illness and consequent absence put him behind in his work.根据题意，本题用subsequent更妥。