As Commander-in-Chief of the armed forces,I have manded that all measures
for our defense.
A. had been taken
B. be taken
C. would be taken
D. be made
网友回答
A. had been taken
(答案→)B. be taken
C. would be taken
D. be made
解析：表示“命令、建议”的词后接宾语从句时，从句多用虚拟语气，其谓语动词用should+动词原形，此处省略了should；采取措施用take measures。