Nhận biết (M1)

In the second half of the sixteenth century, cobalt-based pigments ______ Germany, leading to the proliferation of stoneware vessels featuring decorations with the distinctive blue coloration characteristic of cobalt compounds fired at high temperatures. Such decorations came to be a defining feature of German stoneware vessels of the period.

Which choice completes the text with the most logical and precise word or phrase?

• A.

  could occasionally be found in

• B.

  had to be imported to

• C.

  became broadly available in

• D.

  were strongly associated with