When Aramco Oil factory in Abqaiq, Saudi Arabia was attacked by Yemeni’s Houthi group?

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When Aramco Oil factory in Abqaiq, Saudi Arabia was attacked by Yemeni’s Houthi group?A. September 1, 2019
B. September 4, 2019
C. September 10, 2019
D. September 14, 2019