The correct answer is (c). China and Pakistan signed an agreement in April 2015 to supply 110 JF-17 Thunder fighter jets to Pakistan. The JF-17 is a lightweight, single-engine multirole combat aircraft jointly developed by China and Pakistan. It is a fourth-generation fighter jet that is capable of carrying out air-to-air and air-to-ground missions. The JF-17 is the first fighter jet to be jointly developed by China and Pakistan. It is a result of the long-standing cooperation between the two countries in the field of defense. The JF-17 is a highly capable fighter jet that is expected to significantly enhance the air power of the Pakistan Air Force.
Option (a) is incorrect because Russia and Pakistan have not signed an agreement to supply 110 fighter jets to Pakistan.
Option (b) is incorrect because America has not signed an agreement to supply 110 fighter jets to Pakistan.
Option (d) is incorrect because France has not signed an agreement to supply 110 fighter jets to Pakistan.