Answer: d
. Humble Oil became Texaco, one of the largest oil companies in Texas.
Explanation:
The Humble Oil Company was established in Texas in 1911. Later, in 1917, it was reorganized and incorporated as the Humble Oil and Refining Company. By 1919 the company sold 50% of its stock to Standard Oil Company of New Jersey, which would later absorb it as Exxon Company.
