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থিম নির্বাচন

আপনার পছন্দের থিম বেছে নিন।

_____ that you were prepared for the test, they ______ you.

A. Would the authorities know/would contacted
B. Did the authorities know/will have contact
C. Had the authorities known/would have contacted
D. Were the authorities knew/could contact
সঠিক উত্তরঃ C. Had the authorities known/would have contacted
Explanation: