问题：
[单选题]Company A concluded an entrustment contract with 15-year old Chen, a network wizard, authorizing Chen to buy software at a price range not exceeding 500,000 yuan. Chen`s parents expressed definite objection. Which of the following is true about the validity of the entrustment contract?
A、Completely invalid, because Chen`s parents refused ratification
B、 Valid, because entrustment contract only requests for simple level of intelligence, and it does not damage Chen`s interests.It does not matter whether Chen`s parents give ratification or notB.
C、There is a need to verify Chen`s genuine intent to determine whether the contract is valid. If the parents refuse ratification then Company A can apply to the court to determine the validity of the contractC.
D、 The entrustment contract is invalid because the parents did not give ratification, but granting the right of agency is a unilateral legal act and does not need ratification to be valid.
