The passage highlights both the promise and the challenges of synthetic biologySpecifically, it points out ethical and safety concerns, mentioning "the potential creation of harmful organisms and unintended ecological impacts" as major issues
Reviewing the
(A) Inefficiency in drug development — The passage states synthetic biology has revolutionary potential in drug development, so inefficiency is not mentioned
(B) Lack of potential applications — The passage describes significant applications, so this is incorrect
(C) Creation of harmful organisms and unintended ecological impacts — Directly stated as major concerns
(D) High costs of research — Not mentioned in the passage
Thus, option (C) is the correct answer