Question

Fill in the blanks with correct Preposition:
The money was all ploughed back _______ the company.

• A. beside
• B. above
• C. into
• D. through

Answer 1

The Correct Option is C

Correct Preposition Usage: "Into" 

Step 1: Identifying the Correct Preposition

The correct preposition to fill in the blank is "into".

Step 2: Explanation

The phrase "ploughed back into" refers to the process of reinvesting money into something, in this case, the company.

Step 3: Eliminating Incorrect Options

The other options — "beside", "above", and "through" — do not fit this context.

Conclusion:

The correct answer is "into".