问题：
[单选题]Which of the passages below is correctly written for both meaning and grammar?
ATests of the Shroud of Turin produce some interesting results; for instance, the pollen of 48 plants is native to Europe and the Middle East.
BTests of the Shroud of Turin have produced some interesting results; for instance, the pollen of 48 plants native to Europe and the Middle East were found.
CTests of Shroud of Turin has produce some interesting results, for example, the pollen of 48 plants native to the Europe and the Middle East.
