The best answer is C.
The Israeli high-tech industry is a major contributor to Israel's overall industrial export .
Israel's advanced technologies are in high demand and many Israeli-developed applications can now be found in the products of multi-national companies in the communications, computers, information systems, medicine, optics , consumer goods and software sectors.
The high tech industry in Israel is the one of the most powerful engines driving its economy. Israel has the world's highest percentage of scientists with 135 engineers per 10,000 citizens in comparison with the U.S. which has 85 per 10,000.