Step 1: Understanding the Question:
This question tests knowledge of rice pests and their symptoms.
Step 2: Detailed Explanation:
The rice gall midge (Orseolia oryzae) causes "silver shoot" symptoms.
The maggots enter the stem and feed on the growing point, converting the tiller into a hollow, shining tubular structure.
Rice Gundhi bug (A): Causes damage by sucking sap.
Rice root weevil (B): Feeds on roots.
Rice hispa (D): Scrapes leaf tissues.
Thus, the pest is gall midge.
Step 3: Final Answer:
Thus, the pest causing silver shoot is gall midge, which corresponds to option (C).
[0.5cm]