Question

Choose a suitable adverb clause to complete the sentence:
The food was so spicy .

• A. in the Mexican restaurant
• B. that my stomach got upset
• C. but the dessert was delicious
• D. None of the above

Answer 1

Answer: (B)

that my stomach got upset

An adverb clause is a group of words containing a subject and a verb, and it functions as an adverb, by modifying an adjective, verb or an adverb. Adverb clauses generally begin with a subordinate conjunction (since, because, while, etc.)
Option B is correct because it is an adverb clause of result or consequence, 'so...that' is a pair of conjunctions that refers to a result: "so spicy that my stomach got upset".
Option A is incorrect because it is an adverbial phrase, not a clause.
Option C is incorrect because it is a coordinate/independent clause, whereas the adverb clause is a subordinate/dependent clause.
Option D is incorrect because the answer lies in B.